Merge cherrypicks of [3801524, 3800394, 3800228] into pi-release

            // Only using the first package name. There may be multiple names if multiple

            // apps share the same UID, but in that case they also share permissions so

            // querying with any of the names will return the same results.

            final PackageInfo app = mPackageManager.getPackageInfo(names[0], GET_PERMISSIONS);

            int userId = UserHandle.getUserId(uid);

            final PackageInfo app = mPackageManager.getPackageInfoAsUser(

                    names[0], GET_PERMISSIONS, userId);

            return hasUseBackgroundNetworksPermission(app);

        } catch (NameNotFoundException e) {

            // App not found.