Add app id instead of uid to WorkSourceProvider whitelist.

            final ArraySet<Integer> whitelist = new ArraySet<>();

            // We trust our own process.

            whitelist.add(Process.myUid());

            whitelist.add(UserHandle.getAppId(Process.myUid()));

            // We only need to initialize it once. UPDATE_DEVICE_STATS is a system permission.

            final PackageManager pm = context.getPackageManager();

            final String[] permissions = { android.Manifest.permission.UPDATE_DEVICE_STATS };