Merge r1594086 from branch-2. YARN-2016. Fix a bug in GetApplicationsRequestPBImpl to add the missed fields to proto. Contributed by Junping Du

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.4@1594087 13f79535-47bb-0310-9956-ffa450edef68