Opt in for new predictive back gesture support in Android 13

app/src/main/AndroidManifest.xml

@@ -45,6 +45,7 @@
         android:installLocation="auto"
         android:gwpAsanMode="always"
         android:localeConfig="@xml/locales_config"
+        android:enableOnBackInvokedCallback="true"
         android:theme="@style/AppTheme">
 
         <provider

app/src/main/java/com/limelight/HelpActivity.java

@@ -108,6 +108,7 @@ public class HelpActivity extends Activity {
     }
 
     @Override
+    // NOTE: This will NOT be called on Android 13+ with android:enableOnBackInvokedCallback="true"
     public void onBackPressed() {
         // Back goes back through the WebView history
         // until no more history remains