Support for matching on MPLS BOS indicator bit

Change-Id: I9f8c3f499beff7c70b4c829c2846c71007932d94
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 09c6327..ece32d4 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 Builder matchMplsBos(boolean mplsBos) {
+            return add(Criteria.matchMplsLabel(mplsBos));
+        }
+
+        @Override
         public TrafficSelector.Builder matchTunnelId(long tunnelId) {
             return add(Criteria.matchTunnelId(tunnelId));
         }