[Android] Remove accidental fragment tag in GameListActivity (it was …

…useless, since it's an empty string)

Source/Android/src/org/dolphinemu/dolphinemu/gamelist/GameListActivity.java

@@ -158,7 +158,7 @@ public void SwitchPage(int toPage)
 				mCurFragmentNum = 0;
 				final GameListFragment gameList = new GameListFragment();
 				FragmentTransaction ft = getFragmentManager().beginTransaction();
-				ft.replace(R.id.content_frame, gameList, "");
+				ft.replace(R.id.content_frame, gameList);
 				ft.commit();
 				invalidateOptionsMenu();
 			}