Updating .gitreview for onos-1.1

Change-Id: I4adc02f9860b29b681c92dd4be6bc1662723cf4f
diff --git a/.gitreview b/.gitreview
index 328aec6..86d5ced 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,4 +3,4 @@
 port=29418
 project=onos.git
 defaultremote=origin
-defaultbranch=master
+defaultbranch=onos-1.1