[7u6] Request for approval for CR 7162043 Add headless mode tests to problem list [macosx]

[Michael McMahon]

This is a request to push a fix to 7u6 that puts a number of failing 
regression tests on Mac OS
on to the problem list.

Webrev: http://cr.openjdk.java.net/~michaelm/7162043/7u6/webrev.3/
Pushed to JDK8: http://hg.openjdk.java.net/jdk8/tl/jdk/rev/9de97594f062

Reviewed: 
http://mail.openjdk.java.net/pipermail/jdk7u-dev/2012-April/002699.html

Reviewer: Alan Bateman

Thanks
Michael