HBASE-10514 Addendum; fixing missing import

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1577782 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10751 TestHRegion testWritesWhileScanning occasional fail since HBASE-10514 went in

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1577784 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10715 Addendum; fixing double import

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1577786 13f79535-47bb-0310-9956-ffa450edef68