Use host handler to bootstrap tunnel bridge and related ports

Change-Id: I19bb28d86620b9c42c33e0b570ff176b467d71ac
diff --git a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/DistributedK8sHostStore.java b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/DistributedK8sHostStore.java
index 17b9fde..73dd7a4 100644
--- a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/DistributedK8sHostStore.java
+++ b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/impl/DistributedK8sHostStore.java
@@ -26,6 +26,7 @@
 import org.onosproject.k8snode.api.K8sHostState;
 import org.onosproject.k8snode.api.K8sHostStore;
 import org.onosproject.k8snode.api.K8sHostStoreDelegate;
+import org.onosproject.k8snode.api.K8sTunnelBridge;
 import org.onosproject.store.AbstractStore;
 import org.onosproject.store.serializers.KryoNamespaces;
 import org.onosproject.store.service.ConsistentMap;
@@ -80,6 +81,7 @@
             .register(K8sHost.class)
             .register(DefaultK8sHost.class)
             .register(K8sHostState.class)
+            .register(K8sTunnelBridge.class)
             .register(Collection.class)
             .build();