[8u] approval request for 8170565: JSObject call() is passed undefined for the argument 'thiz'

[Sundararajan Athijegannathan]

Please approve 8u backport of fix for
https://bugs.openjdk.java.net/browse/JDK-8170565

jdk9 review thread:
http://mail.openjdk.java.net/pipermail/nashorn-dev/2016-December/006670.html

jdk8u backport webrev:
http://cr.openjdk.java.net/~sundar/8170565/8u/webrev.00/

Backported 'as is' except for the modular source layout difference.

Thanks,

-Sundar