Fix: statically add portnumber of intg and ext bridge

1. install service flow rules for all types of services including
ClusterIP, NodePort, LoadBalancer

Change-Id: I9884c7e5dfef66e7af5497403dd3cba6c6b46b61
diff --git a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultK8sNode.java b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultK8sNode.java
index 551a339..7e4b4bc 100644
--- a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultK8sNode.java
+++ b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/DefaultK8sNode.java
@@ -373,7 +373,7 @@
 
     @Override
     public PortNumber intgBridgePortNum() {
-        return portNumber(intgBridge, intgBridgePortName());
+        return PortNumber.LOCAL;
     }
 
     @Override
@@ -384,7 +384,6 @@
     @Override
     public PortNumber intgToLocalPatchPortNum() {
         return portNumber(intgBridge, intgToLocalPatchPortName());
-
     }
 
     @Override
@@ -409,10 +408,7 @@
 
     @Override
     public PortNumber extBridgePortNum() {
-        if (this.extIntf == null) {
-            return null;
-        }
-        return portNumber(extBridge, extBridgePortName());
+        return PortNumber.LOCAL;
     }
 
     @Override