Fix for ONOS-5033 hosts - dynamic or static

Change-Id: I3791370db0037968003abc23c918c63119d2dba2
diff --git a/core/api/src/main/java/org/onosproject/net/host/HostDescription.java b/core/api/src/main/java/org/onosproject/net/host/HostDescription.java
index ad423a3..d7687ac 100644
--- a/core/api/src/main/java/org/onosproject/net/host/HostDescription.java
+++ b/core/api/src/main/java/org/onosproject/net/host/HostDescription.java
@@ -55,4 +55,12 @@
      * @return host IP address
      */
     Set<IpAddress> ipAddress();
+
+    /**
+     * Returns true if configured by NetworkConfiguration.
+     * @return configured/learnt dynamically
+     */
+    default boolean configured() {
+        return false;
+    }
 }