RR(XS): JDK-8024049 com/sun/jdi/ProcessAttachTest.sh shortens 7-digit pid to 6-digit

[Dmitry Samersoff]

Hi Everybody,

Please review small, test-only fix.

http://cr.openjdk.java.net/~dsamersoff/JDK-8024049/webrev.01/

fix summary:

  grep/cut chain is replaced with awk.

-- 
Dmitry Samersoff
Oracle Java development team, Saint Petersburg, Russia
* I would love to change the world, but they won't give me the sources.