[89-fb] [HBASE-7509] Fix the commit: correct version of manage_dfs_quorum_reads

Author: aaiyer

Summary:
Looks like I accidentally checked in the wrong version of
this file in  https://phabricator.fb.com/D635914

Fixing the commit

Test Plan:
Run the file on a RS on TSH025. make sure that the
number of threads is changed

Reviewers: liyintang

Reviewed By: liyintang

CC: hbase-eng@

Differential Revision: https://phabricator.fb.com/D677141

Blame Revision: svn+ssh://tubbs/svnhive/hadoop/branches/titan@32029 e7acf4d4-3532-417f-9e73-7a9ae25a1f51

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.89-fb@1432711 13f79535-47bb-0310-9956-ffa450edef68