[8u20] Request for approval for 8031694: [macosx] TwentyThousandTest test intermittently hangs

[Oleg Pekhovskiy]

Hello,

Please approve the direct backport of the fix to jdk8u-dev.

Bug:
https://bugs.openjdk.java.net/browse/JDK-8031694

Webrev:
http://cr.openjdk.java.net/~bagiras/8u20/8031694.1/

Review thread:
http://mail.openjdk.java.net/pipermail/awt-dev/2014-February/006972.html

JDK9 changeset:
http://hg.openjdk.java.net/jdk9/client/jdk/rev/d2030ee346b7

Thanks,
Oleg