8165687: Fix license and copyright headers in jd9 under hotspot/test
Summary: Legal notices and Oracle copyrights were updated (white and blank space, commas) in tests files for uniformity to meet Oracle requirements.
Reviewed-by: dholmes, iris
Contributed-by: Stanislav Smirnov <stanislav.smirnov@oracle.com>, Vassili Igouchkine <vassili.igouchkine@oracle.com>

8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder
Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff

8132919: Put compiler tests in packages
Reviewed-by: vlivanov, dpochepk
Contributed-by: igor.ignatyev@oracle.com

8153737: Unsupported Module
Reviewed-by: alanb, mchung, psandoz

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

8075586: Add @modules as needed to the open hotspot tests
Reviewed-by: sla, ctornqvi, lfoltan, mchung, alanb
Contributed-by: alexander.kulyakhtin@oracle.com

8066433: Move Whitebox test library to top level repository
Summary: Moved Whitebox test library to top level repository.
Reviewed-by: iignatyev, sla, mr

8043674: Update compiler/intrinsic/bmi tests to run it on all platforms
Reviewed-by: kvn, iignatyev, fzhinkin
Contributed-by: Dmitrij Pochepko <dmitrij.pochepko@oracle.com>

8011397: JTREG needs to copy additional WhiteBox class file to JTwork/scratch/sun/hotspot
Reviewed-by: kvn, iignatyev, mgerdin
Contributed-by: andrey.x.zakharov@oracle.com

8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
Reviewed-by: iveresov, kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com