AMBARI-5043. oozie-site.xml defaults need to be updated for 2.1 stack. (yusaku)

ambari-server/src/main/resources/stacks/HDP/2.1/services/OOZIE/configuration/oozie-site.xml

@@ -289,7 +289,9 @@
       org.apache.oozie.service.StatusTransitService,
       org.apache.oozie.service.PauseTransitService,
       org.apache.oozie.service.GroupsService,
-      org.apache.oozie.service.ProxyUserService
+      org.apache.oozie.service.ProxyUserService,
+      org.apache.oozie.service.XLogStreamingService,
+      org.apache.oozie.service.JobsConcurrencyService
     </value>
     <description>List of Oozie services</description>
   </property>