Check for network connectivity to decide if the Assistant should run

Previously we checked for network connections, which gave a false
positive if the connected network had no internet connection.

The network connectivity is checked using the (new) CrosNetworkConfig service.

Bug: 960956
Change-Id: Id315812b3db1f5445ffdfb95011638e48abafd19
Commit-Queue: Jeroen Dhollander <>
Reviewed-by: Tao Wu <>
Reviewed-by: Xiaohui Chen <>
Reviewed-by: Daniel Cheng <>
Reviewed-by: Steven Bennetts <>
Cr-Commit-Position: refs/heads/master@{#672240}
14 files changed