jenkins: Integrate the jenkins CI/CD repo into the source tree

This will allow us to start using the repo plugin to poll for changes and
trigger builds there.

Change-Id: I06f535b9220023979b4cfbd296c217a2d242cd86
diff --git a/mendel.xml b/mendel.xml
index 63a5f1f..4fd9311 100644
--- a/mendel.xml
+++ b/mendel.xml
@@ -7,6 +7,8 @@
 
     <default remote="coral" revision="release-day" />
 
+    <project name="gke-jenkins" path="gke-jenkins"
+      groups="notdefault,cicd" revision="master" />
     <project name="manifest" path="manifest" />
 
     <project name="docs" path="docs">