Add skip list for Rally tests

Change-Id: I9556c38c609aa0f8a71e12a10aaa504fc22ce771
Related-PROD: PROD-21587
diff --git a/jenkins/client/job/validate.yml b/jenkins/client/job/validate.yml
index d1638a6..a020a73 100644
--- a/jenkins/client/job/validate.yml
+++ b/jenkins/client/job/validate.yml
@@ -168,6 +168,10 @@
               type: string
               default: ""
               description: Path for reports outside docker image
+            SKIP_LIST:
+              type: string
+              description: "Skip list for Rally test"
+              default: ""
         cvp-sanity:
           type: workflow-scm
           name: cvp-sanity