8157459: G1 IHOP JFR event attribute with incorrect content type Summary: Use PERCENTAGE instead of BYTES64 data type for the affected attributes. Reviewed-by: ehelin, sangheki

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