Updating to latest onos-2.2 with port status thread offload

Change-Id: If49b15e27f7025fdf0a820484d8cf93470d65058
diff --git a/VERSION b/VERSION
index 20c6942..6b2c8d1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.0-dev8
+4.2.0-dev9