Merge "Remove unnecessary locking for screen broadcasts."

    private BroadcastReceiver mScreenReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            synchronized (mRulesLock) {

            // screen-related broadcasts are protected by system, no need

            // for permissions check.

            mHandler.obtainMessage(MSG_SCREEN_ON_CHANGED).sendToTarget();

        }

        }

    };

    private BroadcastReceiver mPackageReceiver = new BroadcastReceiver() {