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
1 file changed
tree: a145badde9e4369a2952af2fe8da1780075a0457
  1. service/
  2. OWNERS