Merge changes from topics "icon-interactor", "wifi-networks" into udc-qpr-dev
* changes:
[QS] Add flag-protected InternetTile backed by new data pipeline
[Sb refactor] Add network scan results to wifi repo
[Sb refactor] WIP - InternetTileViewModel
[Sb refactor] switch broadcast off of BroadcastDispatcher
[Sb refactor] Add WifiIcon.fromModel for use in QS
[Sb refactor] EthernetInteractor to support QS tiles
[Sb refactor] Convert CastTile to use WifiRepository
[Sb refactor] flag for deprecation of SignalCallback
[Sb refactor] Remove some unused fields from MobileIconInteractor
[Sb refactor] Move icon to the interactor