Added kill stuck jobs pipeline, added param to gating job

Change-Id: I5fc8426b539275cbbcaafa0f8e78c0329886ceb3
diff --git a/jenkins/client/job/gating.yml b/jenkins/client/job/gating.yml
index 357bc8e..1024a1e 100644
--- a/jenkins/client/job/gating.yml
+++ b/jenkins/client/job/gating.yml
@@ -44,6 +44,9 @@
               JOBS_NAMESPACE:
                 type: string
                 default: "{{name}}"
+              SKIP_TEST:
+                type: string
+                default: false
               CREDENTIALS_ID:
                 type: string
                 default: "gerrit"
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