Merge "Ignore No Data Changed Notifications"

    private int performBackupInternal(

            PackageInfo packageInfo, ParcelFileDescriptor data, int flags) {

        if ((flags & BackupTransport.FLAG_DATA_NOT_CHANGED) != 0) {

            // For unchanged data notifications we do nothing and tell the

            // caller everything was OK

            return BackupTransport.TRANSPORT_OK;

        }

        boolean isIncremental = (flags & FLAG_INCREMENTAL) != 0;

        boolean isNonIncremental = (flags & FLAG_NON_INCREMENTAL) != 0;