global: Add or update copyright headers in Java code

Signed-off-by: Samuel Holland <samuel@sholland.org>

app/src/main/java/com/wireguard/android/Application.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/BootShutdownReceiver.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android;
 
 import android.content.BroadcastReceiver;

app/src/main/java/com/wireguard/android/QuickTileService.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android;
 
 import android.annotation.TargetApi;

app/src/main/java/com/wireguard/android/activity/BaseActivity.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.content.Intent;

app/src/main/java/com/wireguard/android/activity/MainActivity.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.content.Intent;

app/src/main/java/com/wireguard/android/activity/SettingsActivity.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.content.pm.PackageManager;

app/src/main/java/com/wireguard/android/activity/TunnelCreatorActivity.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.activity;
 
 import android.os.Bundle;

app/src/main/java/com/wireguard/android/backend/Backend.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.backend;
 
 import com.wireguard.android.model.Tunnel;

app/src/main/java/com/wireguard/android/backend/GoBackend.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.backend;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/backend/WgQuickBackend.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.backend;
 
 import android.content.BroadcastReceiver;

app/src/main/java/com/wireguard/android/configStore/ConfigStore.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.configStore;
 
 import com.wireguard.config.Config;

app/src/main/java/com/wireguard/android/configStore/FileConfigStore.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.configStore;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/databinding/BindingAdapters.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.databinding;
 
 import android.databinding.BindingAdapter;

app/src/main/java/com/wireguard/android/databinding/ItemChangeListener.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.databinding;
 
 import android.databinding.DataBindingUtil;

app/src/main/java/com/wireguard/android/databinding/ObservableKeyedListAdapter.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.databinding;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/fragment/BaseFragment.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/fragment/TunnelController.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/fragment/TunnelDetailFragment.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.os.Bundle;

app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.app.Activity;

app/src/main/java/com/wireguard/android/fragment/TunnelListFragment.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.fragment;
 
 import android.annotation.SuppressLint;

app/src/main/java/com/wireguard/android/model/Tunnel.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.model;
 
 import android.databinding.BaseObservable;

app/src/main/java/com/wireguard/android/model/TunnelManager.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.model;
 
 import android.content.SharedPreferences;

app/src/main/java/com/wireguard/android/preference/ToolsInstallerPreference.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.preference;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/preference/ZipExporterPreference.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.preference;
 
 import android.Manifest;

app/src/main/java/com/wireguard/android/util/AsyncWorker.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.os.Handler;

app/src/main/java/com/wireguard/android/util/ClipboardUtils.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.content.ClipData;

app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.util.Log;

app/src/main/java/com/wireguard/android/util/Keyed.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 /**

app/src/main/java/com/wireguard/android/util/KeyedList.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import java.util.Collection;

app/src/main/java/com/wireguard/android/util/ObservableKeyedArrayList.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.databinding.ObservableArrayList;

app/src/main/java/com/wireguard/android/util/ObservableKeyedList.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.databinding.ObservableList;

app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedArrayList.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.support.annotation.NonNull;

app/src/main/java/com/wireguard/android/util/ObservableSortedKeyedList.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 /**

app/src/main/java/com/wireguard/android/util/RootShell.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/util/SortedKeyedList.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import java.util.Collection;

app/src/main/java/com/wireguard/android/util/ToolsInstaller.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.util;
 
 import android.content.Context;

app/src/main/java/com/wireguard/android/widget/KeyInputFilter.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.widget;
 
 import android.text.InputFilter;

app/src/main/java/com/wireguard/android/widget/NameInputFilter.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.android.widget;
 
 import android.text.InputFilter;

app/src/main/java/com/wireguard/config/Attribute.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.text.TextUtils;

app/src/main/java/com/wireguard/config/Config.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.databinding.BaseObservable;

app/src/main/java/com/wireguard/config/IPCidr.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import java.net.Inet4Address;

app/src/main/java/com/wireguard/config/Interface.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.databinding.BaseObservable;

app/src/main/java/com/wireguard/config/Peer.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.config;
 
 import android.databinding.BaseObservable;

app/src/main/java/com/wireguard/crypto/KeyEncoding.java

@@ -1,4 +1,7 @@
-/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
+/*
+ * Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 package com.wireguard.crypto;
 

app/src/main/java/com/wireguard/crypto/Keypair.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright © 2018 Samuel Holland <samuel@sholland.org>
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
 package com.wireguard.crypto;
 
 import java.security.SecureRandom;