Adding default barnch param to git review file

Change-Id: Ib4791614934845c9f812a1d690bca128d71605d0
diff --git a/.gitreview b/.gitreview
index 60d65aa..b494851 100644
--- a/.gitreview
+++ b/.gitreview
@@ -3,3 +3,4 @@
 port=29418
 project=pod-configs.git
 defaultremote=origin
+defaultbranch=cord-5.0