MAPREDUCE-5094. Disabled memory monitoring by default in MiniMRYarnCluster to avoid some downstream tests failing. Contributed by Siddharth Seth.
svn merge --ignore-ancestry -c 1467124 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1467126 13f79535-47bb-0310-9956-ffa450edef68