Move service-connectivity to the tethering APEX

As part of modularization of ConnectivityService and expansion of the
Tethering module scope, move service-connectivity.jar into the tethering
APEX, and load it from there.

Bug: 171540887
Test: m, device boots and connectivity
Change-Id: Id7b6a4664ae73224b9ab219c94f56d603a62ee5a
3 files changed
tree: bda4ce651535e2409eee7edd1fd38df6a7c5794b
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS