Merge "[Thread] move ThreadNetwork into com.android.tethering" into main am: 70e4b77118 am: 70b5f903bf

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

Change-Id: Icf6e43ac79e3faa82d3e49c54127e902c0ab5ed3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>