Regard the release when the APIs became deprecated as Cardinal

Change-Id: I072fa33a2a70baa7466d7a0dc5067191476be0f3
diff --git a/core/api/src/main/java/org/onosproject/net/topology/DefaultGraphDescription.java b/core/api/src/main/java/org/onosproject/net/topology/DefaultGraphDescription.java
index 54865b3..ed4ae32 100644
--- a/core/api/src/main/java/org/onosproject/net/topology/DefaultGraphDescription.java
+++ b/core/api/src/main/java/org/onosproject/net/topology/DefaultGraphDescription.java
@@ -57,7 +57,7 @@
      * @param links collection of infrastructure links
      *
      * @param annotations optional key/value annotations map
-     *
+     * @deprecated in Cardinal Release
      */
     @Deprecated
     public DefaultGraphDescription(long nanos, Iterable<Device> devices,