Fix flow handling disabled device for TT and ATT voltha 2.10

Change-Id: I5a29e06d7103a08c9913344d3bc6002cd8d0dca4
diff --git a/.gitreview b/.gitreview
old mode 100644
new mode 100755
index 4e39788..a69b8af
--- a/.gitreview
+++ b/.gitreview
@@ -3,3 +3,5 @@
 port=29418
 project=voltha-system-tests.git
 defaultremote=origin
+defaultbranch=voltha-2.10
+