Merge "Move stable compat jobs up to mitaka"

jenkins/jobs/tempest-jobs.yaml

@@ -13,5 +13,5 @@
       - '{pipeline}-tempest-dsvm-neutron-src-{name}{job-suffix}':
           pipeline: gate
           node: ubuntu-trusty
-          job-suffix: '-liberty'
-          branch-override: stable/liberty
+          job-suffix: '-mitaka'
+          branch-override: stable/mitaka

zuul/layout.yaml

@@ -377,7 +377,7 @@ project-templates:
 
   - name: stable-compat-jobs
     check:
-      - 'gate-tempest-dsvm-neutron-src-{name}-liberty'
+      - 'gate-tempest-dsvm-neutron-src-{name}-mitaka'
 
   - name: lib-forward-testing-plugin
     check:
@@ -1488,8 +1488,9 @@ jobs:
   - name: ^.*gerrit.*buck$
     branch: ^openstack/(?!2\.4).*$
 
-  - name: ^gate-tempest-dsvm-neutron-src-.*-liberty$
-    branch: ^(?!stable/(?:kilo|liberty)).*$
+    # For stable compat jobs.
+  - name: ^gate-tempest-dsvm-neutron-src-.*-mitaka$
+    branch: ^(?!stable/(?:kilo|liberty|mitaka)).*$
     voting: false
 
   - name: ^gate-oslo.messaging-dsvm-functional-.*-rabbit$