HIVE-8759: HiveServer2 dynamic service discovery should add hostname instead of ipaddress to ZooKeeper (Vaibhav Gumashta, reviewed by Thejas M Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1637304 13f79535-47bb-0310-9956-ffa450edef68