Merge "Forward setVisibility call to SurfaceView for ActivityView."

import android.view.SurfaceHolder;

import android.view.SurfaceSession;

import android.view.SurfaceView;

import android.view.View;

import android.view.ViewGroup;

import android.view.WindowManager;

import android.view.WindowManagerGlobal;

        }

    }

    @Override

    protected void onVisibilityChanged(View changedView, int visibility) {

        super.onVisibilityChanged(changedView, visibility);

        mSurfaceView.setVisibility(visibility);

    }

    private void initVirtualDisplay(SurfaceSession surfaceSession) {

        if (mVirtualDisplay != null) {

            throw new IllegalStateException("Trying to initialize for the second time.");