8184732: Deadlock detection improvements for 'special' locks Summary: Assert that special ranked locks cannot safepoint and allow_vm_block and remove locks from the exceptional lock list in no_safepoint_verifier. Reviewed-by: dholmes, eosterlund

/build/
/dist/
/.idea/
nbproject/private/
/webrev
/.src-rev
/.jib/
.DS_Store
.metadata/
.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
**/JTreport/**
**/JTwork/**