The network stack needs access to TelephonyManager#getAllCellInfo to
send network conditions broadcasts.
Bug: 122843997
Test: Flashed, verified violation not shown and cell info obtained
properly.
Change-Id: I6ef2858c9a2d1fbbb993164a93bd985e0eee8887
The networking stack app hosts services that used to be in the system
server (IpClient, NetworkMonitor for now), but in a different process to
be packaged as a mainline module.
Test: booted, verified networking stack working when in app
Change-Id: I300a556f51b35c17378af961cea1ec937444e597