private static int getServiceIdentifierFromParcelUuid(ParcelUuid parcelUuid) {
        UUID uuid = parcelUuid.getUuid();
        long value = (uuid.getMostSignificantBits() & 0xFFFFFFFF00000000L) >>> 32;
        return (int) value;
    }
Extract the Service Identifier or the actual uuid from the Parcel Uuid.
For example, if 0000110B-0000-1000-8000-00805F9B34FB is the parcel Uuid,
this function will return 110B

@param parcelUuid
@return the service identifier.
mockrxandroidble/src/main/java/com/polidea/rxandroidble2/mockrxandroidble/internal/ScanRecordDataConstructor.java