ui: set proper content description for applications

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

ui/src/main/res/layout/tunnel_detail_fragment.xml

@@ -236,7 +236,7 @@
                         style="@style/DetailText"
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
-                        android:contentDescription="@string/dns_servers"
+                        android:contentDescription="@string/applications"
                         android:onClick="@{ClipboardUtils::copyTextView}"
                         android:text="@{config.interface.includedApplications.isEmpty() ? @plurals/n_excluded_applications(config.interface.excludedApplications.size(), config.interface.excludedApplications.size()) : @plurals/n_included_applications(config.interface.includedApplications.size(), config.interface.includedApplications.size())}"
                         android:visibility="@{config.interface.includedApplications.isEmpty() && config.interface.excludedApplications.isEmpty() ? android.view.View.GONE : android.view.View.VISIBLE}"