[7u14] Request for approval for CR 8005465: [macosx] Evaluate if checking for the -XstartOnFirstThread is still needed in awt.m

[Anthony Petrov]

Bug: http://bugs.sun.com/view_bug.do?bug_id=8005465

Webrev: 
http://cr.openjdk.java.net/~anthony/8-53-startOnFirstThreadCheck-minimal-8005465.0/

Review thread: 
http://mail.openjdk.java.net/pipermail/awt-dev/2013-January/004088.html

Reviewers: Artem Ananiev, Sergey Bylokhov

JDK8 changeset: http://hg.openjdk.java.net/jdk8/awt/jdk/rev/035f87fc9f74

This is a 100% direct back port of the same fix from JDK 8 to jkd7u-dev.

--
best regards,
Anthony