8140189: [TESTBUG] Get rid of "@library /../../test/lib" in jtreg tests Summary: Use new external.lib.roots property in TEST.ROOT so /../../test/lib is not needed. Reviewed-by: mseledtsov, sla, iklam

^build/
^dist/
nbproject/private/
^webrev
^.hgtip
^.bridge2
.DS_Store