Protect WifiManager.getCurrentNetwork() with a privileged permission

Since WifiManager.getCurrentNetwork() is an
@SystemApi, protect it with a privileged
permission.

Bug: 144925765
Test: Boots up and connects to Wifi
Change-Id: Iaae74a1d0f7ae8217f8b5d6a36ff70a1806ff6fb
1 file changed
tree: 44587704c57d14cf5ec7a83d52d8de3d7253bc5b
  1. apex/
  2. service/
  3. PREUPLOAD.cfg