[Provider Model] Show gear icon for Printer/GoPro Wi-Fi network

- Show gear icon if the Wi-Fi network is able to connect

- Increase the WiFi summary to two lines

Bug: 197934662
Bug: 198542089
Test: manual test
atest -c InternetAdapterTest \
         InternetDialogControllerTest \
	 InternetDialogTest

Change-Id: I9dc8af0ea56d86371033fda69e9ba37573cb991e