Prevent XConnect loop

Change-Id: I65c52342840ebef944a65b8c6f65a33448da59cf
diff --git a/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java b/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
index f083d74..a41c58d 100644
--- a/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
+++ b/app/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
@@ -997,6 +997,11 @@
     }
 
     @Override
+    public boolean shouldProgram(DeviceId deviceId) {
+        return defaultRoutingHandler.shouldProgram(deviceId);
+    }
+
+    @Override
     public ApplicationId appId() {
         return appId;
     }