Fixed AtomicCounter database command names

Change-Id: I90a698b7692834042e318ad21a7ba862b076315f
diff --git a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabaseState.java b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabaseState.java
index 208f0e0..f696139 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabaseState.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/consistent/impl/DefaultDatabaseState.java
@@ -225,13 +225,8 @@
     }
 
     @Override
-    public Long counterIncrementAndGet(String counterName) {
-        return getCounter(counterName).incrementAndGet();
-    }
-
-    @Override
-    public Long counterGetAndIncrement(String counterName) {
-        return getCounter(counterName).getAndIncrement();
+    public Long counterAddAndGet(String counterName, long delta) {
+        return getCounter(counterName).addAndGet(delta);
     }
 
     @Override