Change tethering file structure to respect its package name

Bug: 145099347
Test: atest TetheringTests
      atest CtsTetheringTest
Change-Id: I7401c550fbafd17a5ed2d925b5d0e17e358af467
diff --git a/Tethering/AndroidManifest.xml b/Tethering/AndroidManifest.xml
index ab25747..1dc8227 100644
--- a/Tethering/AndroidManifest.xml
+++ b/Tethering/AndroidManifest.xml
@@ -43,7 +43,7 @@
         android:process="com.android.networkstack.process"
         android:extractNativeLibs="false"
         android:persistent="true">
-        <service android:name="com.android.server.connectivity.tethering.TetheringService"
+        <service android:name="com.android.networkstack.tethering.TetheringService"
                  android:permission="android.permission.MAINLINE_NETWORK_STACK"
                  android:exported="true">
             <intent-filter>