8145235: Deprecate product flags that have been converted to Unified Logging Summary: Added deprecation message/mechanism for product flags aliased to Unified Logging options Reviewed-by: mockner, coleenp, ddmitriev, mlarsson

^build/
^dist/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/