Move module utils to the module package.

Test: builds
Change-Id: If5d1e4a58fb2d6d9544e6d01995dabe445cf1f25
(cherry picked from commit 046bf639eb7728504be35e30e3dd49af3d029728)
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index 4a1820a..d907505 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -25,7 +25,6 @@
 import android.net.nsd.INsdManager;
 import android.net.nsd.NsdManager;
 import android.net.nsd.NsdServiceInfo;
-import android.net.util.nsd.DnsSdTxtRecord;
 import android.os.Handler;
 import android.os.HandlerThread;
 import android.os.Message;
@@ -42,6 +41,7 @@
 import com.android.internal.util.DumpUtils;
 import com.android.internal.util.State;
 import com.android.internal.util.StateMachine;
+import com.android.net.module.util.DnsSdTxtRecord;
 
 import java.io.FileDescriptor;
 import java.io.PrintWriter;