[12] RFR 8200151: Add 8 JNDI tests to com/sun/jndi/dns/ConfigTests/

[Chris Yin]

Please review the changes to add 8 JNDI tests to com/sun/jndi/dns/ConfigTests/ in OpenJDK, due to known issue 7164518, PortUnreachable.java will be problem list for 'macosx-all', thanks

bug: https://bugs.openjdk.java.net/browse/JDK-8200151 <https://bugs.openjdk.java.net/browse/JDK-8200151>
webrev: http://cr.openjdk.java.net/~xyin/8200151/webrev.00/ <http://cr.openjdk.java.net/~xyin/8200151/webrev.00/>

Regards,
Chris