adding choosing strategy

Change-Id: I4ee3bd451ec2948b8755da008a7b969fd2b8de5b
diff --git a/jobs.yaml b/jobs.yaml
index 2433543..b76c07b 100644
--- a/jobs.yaml
+++ b/jobs.yaml
@@ -116,11 +116,11 @@
       - git:
           url: ssh://jenkins@gerrit.onlab.us:29418/vm-build
           refspec: $GERRIT_REFSPEC
-          name: origin
           branches:
             - $GERRIT_BRANCH
           browser: gitweb
           browser-url: https://gerrit.onlab.us/gitweb?p=vm-build.git
+          choosing-strategy: gerrit
           timeout: 20
     triggers:
       - gerrit: