Bump version so that we have correct submodule hashes

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/build.gradle

@@ -17,8 +17,8 @@ android {
         applicationId 'com.wireguard.android'
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 441
-        versionName '0.0.20181001'
+        versionCode 442
+        versionName '0.0.20181031'
         buildConfigField 'int', 'MIN_SDK_VERSION', "$minSdkVersion.apiLevel"
     }
     // If the keystore file exists

app/tools/wireguard

@@ -1 +1 @@
-Subproject commit abc9fae9e2b93e276e9734fe6e784947165c30e0
+Subproject commit ba2ab5deaa2aa2ad6f5aa6e1cd19fcc97a3f760c