[7u6] Request for approval: 7154062: [macosx] Mouse cursor isn't updated in applets

[Dmitry Cherepanov]

This is a request to back port a fix from jdk8 to 7u6:

Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7154062
Webrev: http://cr.openjdk.java.net/~dcherepanov/7154062/7u6/webrev.0/
Review: http://mail.openjdk.java.net/pipermail/awt-dev/2012-May/002693.html
Changeset in jdk8: http://hg.openjdk.java.net/jdk8/awt/jdk/rev/bbbf4e63562b

Thanks,
Dmitry