public static void notifyUpdate(final Context context) {
		LocalBroadcastManager.getInstance(context).sendBroadcast(new Intent(ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED));
	}
Request explicit update, in case broadcast receiver does not work (e.g. across users)
mobile/src/main/java/com/oasisfeng/island/data/LiveUserRestriction.java