8227739: Merge cost predictions for scanning cards and log buffer entries
Summary: Revamp the cost predictions for the changes in JDK-8200545 and JDK-8213108.
Reviewed-by: sjohanss, kbarrett
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
(^|/)\.DS_Store
(^|/)\.metadata/
(^|/)\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
(^|/)JTreport/
(^|/)JTwork/
(^|/)\.git/
^src/utils/hsdis/build/