YARN-5028. RMStateStore should trim down app state for completed applications(addendum). Contributed by Rohith Sharma K S.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStore.java

@@ -301,6 +301,9 @@ public abstract class RMStateStore extends AbstractService {
       context.setQueue(srcCtx.getQueue());
       context.setAMContainerResourceRequests(
           srcCtx.getAMContainerResourceRequests());
+      context.setApplicationName(srcCtx.getApplicationName());
+      context.setPriority(srcCtx.getPriority());
+      context.setApplicationTags(srcCtx.getApplicationTags());
       context.setApplicationType(srcCtx.getApplicationType());
       ContainerLaunchContextPBImpl amContainerSpec =
               new ContainerLaunchContextPBImpl();