Revert "Move module utils to the module package."

Revert "Move util classes to their destination package"

Revert "Move PacketReader and FdEventReader"

Revert "Move static utils to a module package"

Revert "Move static utils to a module package"

Revert submission 12698912-move_packetreader

Reason for revert: Broke presubmit on git_master, b/169861635
Reverted Changes:
If5d1e4a58:Move module utils to the module package.
I44ffaad3d:Move PacketReader and FdEventReader
I93e9cfd96:Move util classes to their destination package
Ia84d64130:Move static utils to a module package
Iaac2810c7:Move static utils to a module package

Change-Id: Ibbe59075cd7bc4c38e0707ea6ae3b3703b40986f
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index d907505..4a1820a 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -25,6 +25,7 @@
 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;
@@ -41,7 +42,6 @@
 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;