Make the old resource APIs deprecated

Change-Id: Ib3158f3f363c928353f6ef82aac98a8e4e589953
diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/LinkResource.java b/core/api/src/main/java/org/onosproject/net/resource/link/LinkResource.java
index ec06611..b06f16b 100644
--- a/core/api/src/main/java/org/onosproject/net/resource/link/LinkResource.java
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/LinkResource.java
@@ -17,6 +17,9 @@
 
 /**
  * Abstraction of link resource.
+ *
+ * @deprecated in Emu Release
  */
+@Deprecated
 public interface LinkResource {
 }