Code changes for onu stats fetched from olt VOL-4029

Change-Id: If3838e24a5eefad19a98dd7824cd66653555506f
diff --git a/VERSION b/VERSION
index 266146b..9edc58b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.6.3
+1.6.4