Add upstream mirroring for contrail-third-party-cache-fixup repo

Change-Id: If6e701fa14775dfdcd4ca8e9028978a93ee769d1
diff --git a/jenkins/client/job/opencontrail/init.yml b/jenkins/client/job/opencontrail/init.yml
index 34cc4e5..d2ecdb6 100644
--- a/jenkins/client/job/opencontrail/init.yml
+++ b/jenkins/client/job/opencontrail/init.yml
@@ -9,6 +9,7 @@
     contrail_ceilometer_plugin_branches: "master,R4.0,R4.1"
     contrail_kubernetes_branches: "master,origin-1.1,origin-1.1.3,release-1.1,release-1.2"
     contrail_dpdk_branches: "master,R3.0.2.x,R3.0.3.x,R3.1,R3.1.1.x,R3.2,R3.2.3.x,R4.0,R4.0.1,R4.1,contrail_dpdk_17_02,contrail_dpdk_17_05,contrail_dpdk_1_7,contrail_dpdk_2_0,contrail_dpdk_2_1"
+    contrail_third_party_cache_fixup_branches: "master"
   jenkins:
     client:
       view: