YARN-4265 Addendum patch to fix compilation issue caused by project version number

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/pom.xml

@@ -22,12 +22,12 @@
   <parent>
     <artifactId>hadoop-yarn-server</artifactId>
     <groupId>org.apache.hadoop</groupId>
-    <version>3.0.0-SNAPSHOT</version>
+    <version>2.8.0-SNAPSHOT</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
   <groupId>org.apache.hadoop</groupId>
   <artifactId>hadoop-yarn-server-timeline-pluginstorage</artifactId>
-  <version>3.0.0-SNAPSHOT</version>
+  <version>2.8.0-SNAPSHOT</version>
   <name>Apache Hadoop YARN Timeline Plugin Storage</name>
 
   <properties>