Support to inject external bridge into k8s node for external routing

1. Add group bucket related rules on receiving endpoint events
   rather than POD events.

Change-Id: I1152343cf8ff6bbccaed3dc34908a3affbc70980
diff --git a/apps/k8s-node/app/src/test/resources/org/onosproject/k8snode/codec/K8sMinionNode.json b/apps/k8s-node/app/src/test/resources/org/onosproject/k8snode/codec/K8sMinionNode.json
index a6760f5..9ed649e 100644
--- a/apps/k8s-node/app/src/test/resources/org/onosproject/k8snode/codec/K8sMinionNode.json
+++ b/apps/k8s-node/app/src/test/resources/org/onosproject/k8snode/codec/K8sMinionNode.json
@@ -3,5 +3,6 @@
   "type": "MINION",
   "managementIp": "172.16.130.4",
   "dataIp": "172.16.130.4",
-  "integrationBridge": "of:00000000000000a1"
+  "integrationBridge": "of:00000000000000a1",
+  "externalBridge": "of:00000000000000b1"
 }
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