HIVE-4129

Summary: Simplest of a patch.

Test Plan: Manually verified, logs are no longer printed on console.

Reviewers: hbutani

Differential Revision: https://reviews.facebook.net/D9141

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/ptf-windowing@1453406 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'remotes/apache_hive/ptf-windowing' into ptf