[leanback] fix live bug

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

@@ -417,7 +417,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
     @Override
     public void onItemClick(Group item) {
         mChannelAdapter.setItems(item.getChannel(), null);
-        mBinding.channel.setSelectedPosition(item.getPosition());
+        mBinding.channel.setSelectedPosition(Math.max(item.getPosition(), 0));
         if (!item.isKeep() || ++count < 5 || mHides.isEmpty()) return;
         PassDialog.create().show(this);
         App.removeCallbacks(mR0);

app/src/main/java/com/fongmi/android/tv/player/ExoUtil.java

@@ -54,7 +54,7 @@ public class ExoUtil {
     private static Cache cache;
 
     public static LoadControl buildLoadControl() {
-        return new DefaultLoadControl.Builder().setBufferDurationsMs(DefaultLoadControl.DEFAULT_MIN_BUFFER_MS, DefaultLoadControl.DEFAULT_MAX_BUFFER_MS * 6, DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_MS, DefaultLoadControl.DEFAULT_BUFFER_FOR_PLAYBACK_AFTER_REBUFFER_MS).build();
+        return new DefaultLoadControl();
     }
 
     public static TrackSelector buildTrackSelector() {