Merge "Ignore null action in AlarmManagerService$UninstallReceiver." into main

        @Override

        public void onReceive(Context context, Intent intent) {

            final String action = intent.getAction();

            if (action == null) {

                return;

            }

            final int uid = intent.getIntExtra(Intent.EXTRA_UID, -1);

            synchronized (mLock) {

                String pkgList[] = null;

                switch (intent.getAction()) {

                switch (action) {

                    case Intent.ACTION_QUERY_PACKAGE_RESTART:

                        pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES);

                        for (String packageName : pkgList) {