Support for setControllerVisibilityListener about playkit-android HOT 3 OPEN

implement -> PlayerControlView.VisibilityListener

  playerFrameLayout = findViewById(R.id.player_view);
            playerFrameLayout.setControllerVisibilityListener(this);
            playerFrameLayout.setErrorMessageProvider(new PlayerErrorMessageProvider());
            playerFrameLayout.requestFocus();
            playerFrameLayout.addView(player.getView());

  @Override
  public void onVisibilityChange(int visibility) {
    debugRootView.setVisibility(visibility);
  }

@Override
    public boolean dispatchKeyEvent(KeyEvent event) {
        log.d("dispatchKeyEvent");

        if (playerFrameLayout != null) {
            // See whether the player view wants to handle media or DPAD keys events.
            return playerFrameLayout.dispatchKeyEvent(event) || super.dispatchKeyEvent(event);
        }
        return false;
    }