[ONOS-3363] Create arp_tha selector to onos

	modified:   core/api/src/main/java/org/onosproject/net/flow/DefaultTrafficSelector.java
	modified:   core/api/src/main/java/org/onosproject/net/flow/TrafficSelector.java

Change-Id: Id97469c133e0c10e44cda385dabb7c4ecca4af2b

@@ -353,6 +353,11 @@ public final class DefaultTrafficSelector implements TrafficSelector {
         }
 
         @Override
+        public Builder matchArpTha(MacAddress addr) {
+            return add(Criteria.matchArpTha(addr));
+        }
+
+        @Override
         public TrafficSelector build() {
             return new DefaultTrafficSelector(ImmutableSet.copyOf(selector.values()));
         }

@@ -386,6 +386,14 @@ public interface TrafficSelector {
         Builder matchIPv6ExthdrFlags(short exthdrFlags);
 
         /**
+         * Matches a arp_eth_dst address.
+         *
+         * @param addr a arp_eth_dst address
+         * @return a selection builder
+         */
+        Builder matchArpTha(MacAddress addr);
+
+        /**
          * Builds an immutable traffic selector.
          *
          * @return traffic selector