When other network types with higher priority than wifi is
connected alongside wifi, turning on ADB over wifi is not
possible.
This is happening due to `isWifiConnected()` only checks
if wifi is the default network and not if wifi is connected.
Often times multiple networks such as ethernet is used in
conjuction with wifi, making ADB over wifi not working with
the setup.
Fix by returning if any available network is a WiFi network.
Bug: 173466085
Test: Tested on eve Chrome OS ARCVM, ADB WiFi can be toggled when
WiFi is not the default network.
Change-Id: I8474a4e8b37a4af0031e1462645509f1e634e9a8
Show a toast to connect to a WiFi network when the user tries to
enable wireless debugging while not connected to any Wi-Fi network.
Bug: 150139061
Bug: 149843499
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WirelessDebuggingPreferenceControllerTest
Test: make RunSettingsRoboTests ROBOTEST_FILTER=WirelessDebuggingEnablerTest
Change-Id: I389f5fddc874f60e8156ecf6ef2f1c6eddc1d7a5
Exempt-From-Owner-Approval: LGTM
(cherry picked from commit 564f6ba770)
