RFR 9: 8078582: java/lang/Runtime/exec/LotsOfOutput.java fails intermittently with Process consumes memory

[Roger Riggs]

Please review adding diagnostic output to identify an intermittent failure.

Webrev:
   http://cr.openjdk.java.net/~rriggs/webrev-lots-8078582/

Issue:
  https://bugs.openjdk.java.net/browse/JDK-8078582

Thanks, Roger