Clear identity when requesting current user.

                }

            }

            final int currentUser;

            final long token = Binder.clearCallingIdentity();

            try {

                currentUser = ActivityManager.getCurrentUser();

            } finally {

                Binder.restoreCallingIdentity(token);

            }

            // If we're not supposed to beep, vibrate, etc. then don't.

            if (((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0)

                    && (!(old != null

                        && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 ))

                    && (r.userId == UserHandle.USER_ALL ||

                        (r.userId == userId && r.userId == ActivityManager.getCurrentUser()))

                        (r.userId == userId && r.userId == currentUser))

                    && mSystemReady) {

                final AudioManager audioManager = (AudioManager) mContext