HDFS-4643. Fix flakiness in TestQuorumJournalManager. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466252 13f79535-47bb-0310-9956-ffa450edef68
Setting version in branch-2 to be 2.0.5-SNAPSHOT.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466320 13f79535-47bb-0310-9956-ffa450edef68