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

8158065: [Jittester]: tests generation has tests generators hardcoded, blocking alternative tests generation
Reviewed-by: iignatyev

8156469: [JITtester] Difference in generated golden output when run with Jigsaw build
Reviewed-by: vlivanov

8156470: [JITtester] EOL on Windows
Reviewed-by: kvn

8143966: JEP 233: Generate Run-Time Compiler Tests Automatically
Reviewed-by: iveresov, vlivanov
Contributed-by: anton.ivanov@oracle.com, dmitrij.pochepko@oracle.com, igor.ignatyev@oracle.com, igor.veresov@oracle.com, konstantin.shefov@oracle.com, leonid.mesnik@oracle.com, pavel.punegov@oracle.com, tatiana.pivovarova@oracle.com