[8u40] Approval request for 8050078: Nashorn ClassFilter Support

[A. Sundararajan]

Hi nashorn-dev,

Please review the above webrev: http://cr.openjdk.java.net/~sundar/8050078/

Hi jdk8u-dev,

Please approve the following fix to 8u40.

Bug: https://bugs.openjdk.java.net/browse/JDK-8050078
JEP: http://openjdk.java.net/jeps/202
Webrev: http://cr.openjdk.java.net/~sundar/8050078/

PS. This change is pushed to 8u40 first. This will be pushed to 
jdk9-dev/nashorn shortly (after adjusting for the recent jdk modular 
source layout change)

Thanks,
-Sundar