RFR (XS) 8232735: Convert PrintJNIResolving to Unified Logging

[coleen.phillimore at oracle.com]

Summary: converted the existing output at debug level because it is noisy

Tested with tier1 on all Oracle platforms, with os's linux, bsd, solaris 
and windows.

open webrev at http://cr.openjdk.java.net/~coleenp/2019/8232735.01/webrev
bug link https://bugs.openjdk.java.net/browse/JDK-8232735

Thanks,
Coleen