HDFS-7720. Update CHANGES.txt to reflect merge to branch-2.

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -20,9 +20,6 @@ Trunk (Unreleased)
 
     HDFS-3689. Add support for variable length block. (jing9)
 
-    HDFS-7720. Quota by Storage Type API, tools and ClientNameNode Protocol
-    changes. (Xiaoyu Yao via Arpit Agarwal)
-
     HDFS-7723. Quota By Storage Type namenode implemenation. (Xiaoyu Yao via
     Arpit Agarwal)
 
@@ -332,6 +329,9 @@ Release 2.7.0 - UNRELEASED
 
     HDFS-7655. Expose truncate API for Web HDFS. (yliu)
 
+    HDFS-7720. Quota by Storage Type API, tools and ClientNameNode Protocol
+    changes. (Xiaoyu Yao via Arpit Agarwal)
+
   IMPROVEMENTS
 
     HDFS-7055. Add tracing to DFSInputStream (cmccabe)