Fix build

Change-Id: I20168fb1c29ba6eb695f0d24c6ca512420b2b319
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index 7b3b65b..fa803e2 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -47,6 +47,7 @@
 import com.android.internal.util.Protocol;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
+import com.android.server.NativeDaemonConnector.Command;
 
 /**
  * Network Service Discovery Service handles remote service discovery operation requests by