[11u] RFR(S): 8223326: Regression introduced by CPU sync: java.security.AccessControlException: access denied ("java.net.NetPermission" "setSocketImpl")

[Doerr, Martin]

Hi,

I'd like to backport JDK-8223326 from jdk/jdk.

11u backport issue:
https://bugs.openjdk.java.net/browse/JDK-8241460

Original change:
https://hg.openjdk.java.net/jdk/jdk/rev/29624901d8bc

11u backport webrev:
http://cr.openjdk.java.net/~mdoerr/8223326_nio_socket_11u/webrev.00/

I had to integrate the change manually due to context changes. However, the new 
code fits to the 11u versions.

Please review.

Best regards,
Martin