Hide tracks when switch player

app/src/leanback/java/com/fongmi/android/tv/ui/activity/DetailActivity.java

@@ -479,6 +479,7 @@ public class DetailActivity extends BaseActivity implements CustomKeyDownVod.Lis
         int index = Prefers.getPlayer();
         CharSequence[] array = ResUtil.getStringArray(R.array.select_player);
         Prefers.putPlayer(index = index == 0 ? 1 : 0);
+        mBinding.control.tracks.setVisibility(View.GONE);
         mBinding.control.player.setText(array[index]);
         App.post(() -> getPlayer(false), 250);
         mPlayers.toggle();

app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java

@@ -279,6 +279,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
         int index = Prefers.getPlayer();
         CharSequence[] array = ResUtil.getStringArray(R.array.select_player);
         Prefers.putPlayer(index = index == 0 ? 1 : 0);
+        mBinding.control.tracks.setVisibility(View.GONE);
         mBinding.control.player.setText(array[index]);
         App.post(this::getUrl, 250);
         mPlayers.toggle();