Merge "Revert "Add service-connectivity to tethering APEX"" am: 4f430ae5ec am: 67650555b1 am: 42e3663c76

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1541543

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idf32fc66b068b42f856044f00377fefc294f4ef6