[8u-backport] RFR: JDK-8163083: SocketListeningConnector does not allow invocations with port 0

[Fairoz Matte]

Hi,

Kindly review the backport of "JDK-8163083: SocketListeningConnector does not allow invocations with port 0" to 8u

Webrev - http://cr.openjdk.java.net/~fmatte/8163083/webrev.00/

JBS bug - https://bugs.openjdk.java.net/browse/JDK-8163083 

JDK12 changeset - http://hg.openjdk.java.net/jdk/jdk/rev/d38cb687d631 

Review thread - http://mail.openjdk.java.net/pipermail/serviceability-dev/2018-September/025209.html

Thanks,
Fairoz