VOL-3637: Protect concurrent access to deviceHandlersCreateChan

Change-Id: I0d4b06b75daaf8225ceb4b9e55890e852812fad0
diff --git a/VERSION b/VERSION
index 1713aea..8f2d7a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.1.13-dev138
+0.1.13-dev139