Build oauth plugin for Gerrit v3.0

Change-Id: Ib133fe44fa907bf14e835e266ec9ab00f7ce9fe9
diff --git a/jenkins/gerrit-buck-bazel-plugin-oauth.yaml b/jenkins/gerrit-buck-bazel-plugin-oauth.yaml
index 2c61223..c6812c1 100644
--- a/jenkins/gerrit-buck-bazel-plugin-oauth.yaml
+++ b/jenkins/gerrit-buck-bazel-plugin-oauth.yaml
@@ -9,4 +9,5 @@
             - stable-2.14
             - stable-2.15
             - stable-2.16
+            - stable-3.0
             - master