[Android] Make sure we are setting the default user directory.

This fixes an issue where the settings aren't being saved correctly because the user directory is never set before a run of the game.

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/activities/GameGridActivity.java

@@ -83,6 +83,8 @@ public final class GameGridActivity extends Activity implements LoaderManager.Lo
 		// Stuff in this block only happens when this activity is newly created (i.e. not a rotation)
 		if (savedInstanceState == null)
 		{
+			NativeLibrary.SetUserDirectory(""); // Auto-Detect
+
 			SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
 			boolean assetsCopied = preferences.getBoolean("assetsCopied", false);