YARN-1459. Changed ResourceManager to depend its service initialization on the configuration-provider mechanism during startup too. Contributed by Xuan Gong.
svn merge --ignore-ancestry -c 1566791 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1566793 13f79535-47bb-0310-9956-ffa450edef68