[ONOS-3374] Create arp_sha selector to onos

Change-Id: I82f29e24c5fe57d3e23e4e41a6e86c165456e901
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 fcaa5c0..8c51110 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
@@ -358,6 +358,11 @@
         }
 
         @Override
+        public Builder matchArpSha(MacAddress addr) {
+            return add(Criteria.matchArpSha(addr));
+        }
+
+        @Override
         public TrafficSelector build() {
             return new DefaultTrafficSelector(ImmutableSet.copyOf(selector.values()));
         }