8214696: Module class should be filtered by core reflection Reviewed-by: lancea, mchung, sundar

8202884: SA: Attach/detach might fail on Linux if debugee application create/destroy threads during attaching Summary: While doing a ptrace attach, do not attach to threads which are in the process of exiting or are zombies -- skip these threads. Reviewed-by: jcbeyler, ysuenaga

8215243: JShell tests failing intermitently with \"Problem cleaning up the following threads:\" Summary: Do not reset closed state in the StopDetectingInputStream.write Reviewed-by: rfield