Add ConnectivityManager.unregisterNetworkCallback(PendingIntent) API

This better pairs up with
registerNetworkCallback(NetworkRequest, PendingIntent).

Bug:22175708
Change-Id: I336df3f48a0b814f1cbeba6d00afc4e6cc536483
1 file changed
tree: a04f95ef474d6aeb684e9f3b227ca2ac6807fc1b
  1. core/
  2. services/
  3. tests/