[7u-next] Request for approval for CR 6776144 - java/lang/ThreadGroup/NullThreadName.java fails with Thread group is no,t destroyed ,fastdebug LINUX

[Chris Hegarty]

This is a request for approval to backport a test stabilization change 
from JDK8 to 7u-dev.

http://bugs.sun.com/view_bug.do?bug_id=6776144

JDK8 changeset:
   http://hg.openjdk.java.net/jdk8/tl/jdk/rev/7eb0debca9b3

JDK8 review thread:
 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2011-November/008336.html

Identical changeset to that of JDK8.

-Chris.