YARN-103. Add a yarn AM-RM client module. Contributed by Bikas Saha.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428554 13f79535-47bb-0310-9956-ffa450edef68
Add file which was accidentally missed during commit of HDFS-4346.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1428560 13f79535-47bb-0310-9956-ffa450edef68