ZOOKEEPER-3800: improve the log printing the address when QuorumCnxManager#ListenerHandler's port binds
As per [ZOOKEEPER-3800](https://issues.apache.org/jira/browse/ZOOKEEPER-3800), I updated the log message to print the address.
Please let me know if additional changes are required.
Author: Nishanth Entoor <entoor.nishanth@gamil.com>
Author: Nishanth Entoor <entoor.nishanth@gmail.com>
Reviewers: rabi-kumar <ravowlga@gmail.com>, maoling <maoling@apache.org>
Closes #1332 from nishanth-entoor/ZOOKEEPER-3800 and squashes the following commits:
6969ab93c [Nishanth Entoor] ZOOKEEPER-3800: changed log error message
5ae7b1eb6 [Nishanth Entoor] ZOOKEEPER-3800: improve the log printing the address when QuorumCnxManager#ListenerHandler's port binds