Send broadcast when changing restrict background.

When changing global restrict background status, send connectivity
change broadcast, since it radically changes DISCONNECTED/BLOCKED
status system-wide.

Also reduce verbose stats logging.

Bug: 5854466
Change-Id: I3b612c520f50cc3000a3a569b7e0ab5f691cc2bd
1 file changed
tree: 1a5c2439d119cf6719484149b0d8c1bef5af301b
  1. core/
  2. services/
  3. wifi/