Merge "[Thread] move ThreadNetwork into com.android.tethering" into main am: 70e4b77118

Original change: https://android-review.googlesource.com/c/platform/packages/modules/ThreadNetwork/+/2709374

Change-Id: I4647da03f00c22e35d652ab58ad3debb8a7c5c3c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>