Fix: ndpEnabled default value in NeighbourResolutionManager property

The value of ndpEnabled should be NRM_NDP_ENABLED_DEFAULT instead of NRM_NDP_ENABLED

Change-Id: I7bbed17b9556beb99dbc6060cbec4809b12b1c69
(cherry picked from commit c888801b0622ff7bbc423db7c06513b855b822b7)
diff --git a/core/net/src/main/java/org/onosproject/net/neighbour/impl/NeighbourResolutionManager.java b/core/net/src/main/java/org/onosproject/net/neighbour/impl/NeighbourResolutionManager.java
index 116b063..5e00dfb 100644
--- a/core/net/src/main/java/org/onosproject/net/neighbour/impl/NeighbourResolutionManager.java
+++ b/core/net/src/main/java/org/onosproject/net/neighbour/impl/NeighbourResolutionManager.java
@@ -84,7 +84,7 @@
     service = NeighbourResolutionService.class,
     property = {
         NRM_ARP_ENABLED + ":Boolean=" + NRM_ARP_ENABLED_DEFAULT,
-        NRM_NDP_ENABLED + ":Boolean=" + NRM_NDP_ENABLED,
+        NRM_NDP_ENABLED + ":Boolean=" + NRM_NDP_ENABLED_DEFAULT,
         NRM_REQUEST_INTERCEPTS_ENABLED + ":Boolean=" + NRM_REQUEST_INTERCEPTS_ENABLED_DEFAULT
     }
 )