Add a custom Wifi Slice to the Settings Slice Provider.
It needs a custom Slice because of the complicated listener logic
in the MasterSwitchPreferenceController, which makes it hard to
work-in synchronous set/get logic.
The one-off Slice requires extra changes, including:
- Including it in getDescendants
- Handling changes to wifi by the framework
This is the first change that uses SettingsLib's broadcast relay,
which allows settings to (un)register IntentFilters to a Uri,
allowing Settings Slices affected by the framework (quicksettings,
connectivity related, volume, etc) to be updated without action
on the Slice.
Bug: 70622039
Bug: 67997332
Test: robotests
Change-Id: Ibfe4736beecb833e3f6bb871b2eb5228a5fd3a34
Add Slices for WifiCalling
WifiCalling Slice Provider:
1. If there is no activation needed or if the Wifi calling
is currently turned on - provide the slice to toggle the
value
2. Else display appropriate message with further instructions
WifiCalling Slice Broadcast Receiver:
1. If the action is turning off wifi or if there is no
activation needed. Change the setting with ImsManager.
2. And Ask to requery the slice in one second to display
updated settings if 1 is valid or display appropriate message
Bug: 63731862
Bug: 78192106
Test: Use support-slices-demos-debug.apk to test on device
Test: Robotests
Change-Id: I29e1822fd24ebcff575fa48ad93f84ed91bf4d87
