[VOL-5031] - post release cleanup

VERSION
-------
  o Bump version to avoid conflicts with the release branch.

Change-Id: Ice6be0eecd796822e61924073cb0146119685aba
diff --git a/VERSION b/VERSION
index fc3aa77..1daf456 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.1.9
+5.2.0-dev