Fixed defect in CachingAsyncConsistentMap (wrong method call).

Change-Id: I5873d1476ac68e6c2ee4462e629b00313214ef36

@@ -85,7 +85,7 @@ public class CachingAsyncConsistentMap<K, V> extends DelegatingAsyncConsistentMa
 
     @Override
     public CompletableFuture<Versioned<V>> putAndGet(K key, V value) {
-        return super.put(key, value)
+        return super.putAndGet(key, value)
                     .whenComplete((r, e) -> cache.invalidate(key));
     }