[Provider Model] Show connected networks in APM/APM networks

- Separate APM and APM network types from other Internet types because
they can coexist at the same time.

- Show no internet icon in airplane-mode networks.

- Show connected non-carrier(Wi-Fi) network in airplane-mode networks.

- Show connected Ethernet network when airplane mode on.

- Screenshot:
  https://screenshot.googleplex.com/cr3eWNLMEuJ8zvP
  https://screenshot.googleplex.com/6DiMqKBBnBoxxhN

Bug: 180778141
Bug: 180778839
Bug: 179106406
Test: manual test
atest -c ConnectedEthernetNetworkControllerTest \
         InternetConnectivityPanelTest \
         InternetPreferenceControllerTest \
         InternetUpdaterTest

Change-Id: I861d5ce879facbb61dfdc5b7be943662d55bdcca