8216010: Change callers of build_u2_from() to call Bytes::get_Java_u2() instead
Summary: Change the callers and delete function build_u2_from()
Reviewed-by: kbarrett, jiangli, coleenp
^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/.*