- Show progress bar when Wi-Fi scanning
- Show "Searching for networks..." sub-title when Wi-Fi scanning
- Remove "Wi-Fi" from searching networks string
Bug: 178774497
Test: manual test
atest -c InternetConnectivityPanelTest
make RunSettingsRoboTests ROBOTEST_FILTER=PanelFragmentTest
Change-Id: Ic05b939bef3b106845fe90db41eb09f0e15756f4