[8u20] request for approval: 8047186: jdk.net.Sockets throws InvocationTargetException instead of original runtime exceptions

[Michael McMahon]

Could I get the following change approved for 8u20 please?
Fix contributed by Artem Smotrakov

Webrev: https://bugs.openjdk.java.net/browse/JDK-8047186

JDK 9 changeset: Not applicable to JDK 9

JDK 8 review: 
http://mail.openjdk.java.net/pipermail/net-dev/2014-June/008533.html

Thanks,
Michael