8165687: Fix license and copyright headers in jd9 under hotspot/testSummary: Legal notices and Oracle copyrights were updated (white and blank space, commas) in tests files for uniformity to meet Oracle requirements.Reviewed-by: dholmes, irisContributed-by: Stanislav Smirnov <stanislav.smirnov@oracle.com>, Vassili Igouchkine <vassili.igouchkine@oracle.com>
8136421: JEP 243: Java-Level JVM Compiler InterfaceReviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett