[12] RFR 8208542: Add 4 JNDI tests to com/sun/jndi/dns/ListTests/

[Chris Yin]

Please review the changes to add 4 JNDI tests to com/sun/jndi/dns/ListTests/ in 
OpenJDK, thanks

bug: https://bugs.openjdk.java.net/browse/JDK-8208542
webrev: http://cr.openjdk.java.net/~xyin/8208542/webrev.00/

Regards,
Chris