Support calling registerDefaultNetworkCallback for another UID.

This is to be used by privileged components (e.g., JobScheduler)
to request callbacks about the state of other UIDs on the system.

Bug: 165835257
Test: new unit test coverage
Change-Id: I29f155710394e58c14fcef488db6271d8d83033a
5 files changed
tree: 897c6ec00723760cd24b5f9efb86e5d8bb1c6b61
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS