[8u40] approve backport of fix for 8062216: [nashorn] regresion test failure with TimeZone

[A. Sundararajan]

Please approve.

Bug: https://bugs.openjdk.java.net/browse/JDK-8062216
jdk8u-dev webrev: http://cr.openjdk.java.net/~sundar/8062216/8u40/webrev.00/
jdk9 review thread: 
http://mail.openjdk.java.net/pipermail/nashorn-dev/2014-October/003744.html

Fix backported "as is" without any jdk8 specific changes.

Thanks
-Sundar