RFR(XS): 8242150: Add jtreg "serviceability/sa/ClhsdbJstackXcompStress.java" to graal problem list.

[Evgeny Nikitin]

Hi,

Bug: https://bugs.openjdk.java.net/browse/JDK-8244656
Webrev: http://cr.openjdk.java.net/~enikitin/8242150/webrev.00/

The test times out and it was suggested to add it to the problem list.
A new bug have been raised in order to investigate the possibilities to 
make the test active again:

https://bugs.openjdk.java.net/browse/JDK-8244656

Please review,
/Evgeny Nikitin.