Implement multiton support for primitives accessed via primitive getters

Change-Id: Ib5eda427f29336c0496780f36a70f9a24ed838ea
diff --git a/core/api/src/test/java/org/onosproject/store/service/StorageServiceAdapter.java b/core/api/src/test/java/org/onosproject/store/service/StorageServiceAdapter.java
index 4d528e2..8ead51c 100644
--- a/core/api/src/test/java/org/onosproject/store/service/StorageServiceAdapter.java
+++ b/core/api/src/test/java/org/onosproject/store/service/StorageServiceAdapter.java
@@ -70,6 +70,16 @@
     }
 
     @Override
+    public AsyncAtomicCounter getAsyncAtomicCounter(String name) {
+        return null;
+    }
+
+    @Override
+    public AsyncAtomicIdGenerator getAsyncAtomicIdGenerator(String name) {
+        return null;
+    }
+
+    @Override
     public <E> WorkQueue<E> getWorkQueue(String name, Serializer serializer) {
         return null;
     }