Use 2.0.0-ONAP tag instead beijing branch

To ensure reproducible deployments, change gerrit branches to
2.0.0-ONAP tag instead of using the beijing branch since the
beijing branches are not locked.

Change-Id: I30bbece5fa2e0b8622db948d45e08a46ecf43ece
Issue-ID: INT-506
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/kubernetes/robot/values.yaml b/kubernetes/robot/values.yaml
index 2d7df04..13b1a45 100644
--- a/kubernetes/robot/values.yaml
+++ b/kubernetes/robot/values.yaml
@@ -38,7 +38,7 @@
   # Password of the lighthttpd server.  Used for HTML auth for webpage access
   lightHttpdPassword: robot
   # gerrit branch where the latest heat code is checked in
-  gerritBranch: beijing
+  gerritBranch: 2.0.0-ONAP
   # gerrit project where the latest heat code is checked in
   gerritProject: http://gerrit.onap.org/r/demo.git