Disconnect if we had IPv4 and lost it.

More specifically, the DHCP_FAILURE case is entered when a
DHCPv4 RENEW fails.  Even though we would connect to a network with
no IPv4, when roaming to a "same network" and losing IPv4 it's
probably better to disconnect and start afresh.

Bug: 18867306
Change-Id: Ie667b4f0481ae0510d0dc00db819f4e5d43d98a9
1 file changed
tree: b25d18f34f2f6f8218e64ae53eb41de302b19f60
  1. service/