[7u4-osx] Request for approval for 7127199: [macosx] Update regression tests that use os.name to work on MacOSX

[Kurchi Hazra]

This is a request to push the following fix to jdk7u-osx:

CR: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7123679

Webrev: http://cr.openjdk.java.net/~khazra/7123679/webrev.02/

Reviewed by: alanb, swingler

This changeset will be pushed on my behalf by Michael McMahon (michaelm).

Thanks,
Kurchi