Change .gitreview branch

Change-Id: I3a067125e6c909dec9ff618fe1dd60720b2e9312
diff --git a/.gitreview b/.gitreview
index 5d7031c..e55219b 100644
--- a/.gitreview
+++ b/.gitreview
@@ -2,4 +2,4 @@
 host=review.blissroms.com
 port=29418
 project=platform_manifest.git
-defaultbranch=q
+defaultbranch=q-caf