[7u4] Request for phase 2 approval for CR 7154072 [macosx] swallowing key events

[Anton V. Tarasov]

Bug: http://bugs.sun.com/view_bug.do?bug_id=7154072
Webrev: http://cr.openjdk.java.net/~ant/7154072/webrev.1
Review thread: http://mail.openjdk.java.net/pipermail/macosx-port-dev/2012-March/003653.html
Reviewer: Anthony Petrov (anthony)

Rationale for inclusion in 7u4: Key events typed with modifiers can be swallowed. Reported by 
Netbeans. P2.

Thanks,
Anton.