Request for approval: 8008366: [macosx] ActionListener called twice for JMenuItem using ScreenMenuBar

[Leonid Romanov]

Hi,
This is a request to backport the fix for JDK-8008366 to jdk7u-dev. The fix has 
already been pushed into JDK8.

Bug:  https://jbs.oracle.com/bugs/browse/JDK-8008366
Webrev:  http://cr.openjdk.java.net/~leonidr/8008366/webrev.01/
JDK 8 changeset: http://hg.openjdk.java.net/jdk8/awt/jdk/rev/578fb8766200

Thanks,
Leonid.