Implement L2 load balancer support in XConnectManager

Change-Id: Ib310a1dde72db38abb60273ce66b5f72768bf4ca
diff --git a/apps/segmentrouting/BUILD b/apps/segmentrouting/BUILD
index a6c8aca..d3846f3 100644
--- a/apps/segmentrouting/BUILD
+++ b/apps/segmentrouting/BUILD
@@ -10,6 +10,7 @@
     required_apps = [
         "org.onosproject.route-service",
         "org.onosproject.mcast",
+        "org.onosproject.l2lb",
     ],
     title = "Segment Routing",
     url = "http://onosproject.org",