Merge "Revert "Add experiment flag for tethering refactor"" into main am: e48d106863

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2921285

Change-Id: Ia4f493752dd86a2702e63ad5a83330c88eb5ceda
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>