Updated CHANGES.txt to move YARN-2682 to branch-2.6

hadoop-yarn-project/CHANGES.txt

@@ -50,10 +50,6 @@ Release 2.7.0 - UNRELEASED
     YARN-2641. Decommission nodes on -refreshNodes instead of next 
     NM-RM heartbeat. (Zhihai Xu via kasha)
 
-    YARN-2682. Updated WindowsSecureContainerExecutor to not use
-    DefaultContainerExecutor#getFirstApplicationDir and use getWorkingDir()
-    instead. (Zhihai Xu via jianhe)
-
   OPTIMIZATIONS
 
   BUG FIXES
@@ -388,6 +384,10 @@ Release 2.6.0 - UNRELEASED
     YARN-2709. Made timeline client getDelegationToken API retry if ConnectException
     happens. (Li Lu via zjshen)
 
+    YARN-2682. Updated WindowsSecureContainerExecutor to not use
+    DefaultContainerExecutor#getFirstApplicationDir and use getWorkingDir()
+    instead. (Zhihai Xu via jianhe)
+
     YARN-2209. Replaced AM resync/shutdown command with corresponding exceptions and
     made related MR changes. (Jian He via zjshen)