[VOL-3929] Fix for bbsim restart on grpc server restart followed by a device disable/delete

Change-Id: I47902c8a94b481933d2b14bb2530124523622046
diff --git a/VERSION b/VERSION
index 26ca594..4bb2004 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.5.1
+1.5.2-dev