8178347: Process and ProcessHandle getPid method name inconsistency
Reviewed-by: alanb, bpb

8165500: TestJpsJar shouldn't jar all test.classpath directories
Summary: Refactor test to better handle errors
Reviewed-by: sspitsyn

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