RFR: 8249704: UTIL_DEPRECATED_ARG_ENABLE dumps incorrect warning message

[jiefu(傅杰)]

Hi all,

May I get reviews for this change?

JBS:    https://bugs.openjdk.java.net/browse/JDK-8249704
Webrev: http://cr.openjdk.java.net/~jiefu/8249704/webrev.00/

Thanks a lot.
Best regards,
Jie