8168409: Update list of tools run by the jtreg timeouthandler
Reviewed-by: mlarsson

8132961: JEP 279: Improve Test-Failure Troubleshooting
Reviewed-by: lmesnik, sla
Contributed-by: kirill.shirokov@oracle.com, dmitry.fazunenko@oracle.com, kirill.zhaldybin@oracle.com, igor.ignatyev@oracle.com