HADOOP-11484: move CHANGES.txt entry to 3.0

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

@@ -284,6 +284,9 @@ Trunk (Unreleased)
     HDFS-7643. Test case to ensure lazy persist files cannot be truncated.
     (Yi Liu via Arpit Agarwal)
 
+    HADOOP-11484. hadoop-mapreduce-client-nativetask fails to build on ARM
+    AARCH64 due to x86 asm statements (Edward Nevill via Colin P. McCabe)
+
 Release 2.7.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
@@ -753,9 +756,6 @@ Release 2.7.0 - UNRELEASED
     HDFS-7610. Fix removal of dynamically added DN volumes (Lei (Eddy) Xu via
     Colin P. McCabe)
 
-    HADOOP-11484. hadoop-mapreduce-client-nativetask fails to build on ARM
-    AARCH64 due to x86 asm statements (Edward Nevill via Colin P. McCabe)
-
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES