8164547: Make java.lang.reflect.ClassLoaderValue public for internal use Summary: Move it to jdk.internal.loader and make it public Reviewed-by: shade, alanb

^build/
^dist/
^webrev
^testoutput/
/nbproject/private/
^make/netbeans/.*/build/
^make/netbeans/.*/dist/
^.hgtip
.DS_Store
.*/JTreport/.*
.*/JTwork/.*