RFR 9: 8137313 : TreeTest.java intermittently fails with a timeout

[Chris Hegarty]

Adding additional diagnostic information to help find the root cause of 
the intermittent failures seems like the right thing to do. Reviewed.

-Chris.

On 30/09/15 15:21, Roger Riggs wrote:
> Please review an enhancement to the test to help diagnose this failure
> in the ProcessHandle TreeTest.
>
> Webrev:
>     http://cr.openjdk.java.net/~rriggs/webrev-treetest-8137313/
> Issue:
>    https://bugs.openjdk.java.net/browse/JDK-8137313
>
> Thanks, Roger
>