Deprecating app-specific config object; needs to be moved.

Change-Id: I568e66b034fc00ea25a943c63d3d6ab90010114a
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java
index 3caa57e..1362af8 100644
--- a/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java
@@ -20,7 +20,10 @@
 
 /**
  * Behaviour for handling various drivers for l3vpn configurations.
+ *
+ * @deprecated in 1.110 (Loon) release
  */
+@Deprecated
 public interface L3VpnConfig extends HandlerBehaviour {
 
     /**