TUNNEL_ID field support in flow matching and actions

Change-Id: I886123a7c8d57dc4a3e12727ec8a9be4920da79e
diff --git a/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java b/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
index 67e057e..09c6327 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
@@ -294,6 +294,11 @@
         }
 
         @Override
+        public TrafficSelector.Builder matchTunnelId(long tunnelId) {
+            return add(Criteria.matchTunnelId(tunnelId));
+        }
+
+        @Override
         public Builder matchIPv6ExthdrFlags(short exthdrFlags) {
             return add(Criteria.matchIPv6ExthdrFlags(exthdrFlags));
         }