* Fix of the issue that incoming call triggered
handsfree ringing which didn't stop after
calling side hung up.
* Cleanup of several places in code, minor
bluetooth <-> cellular integration refactor.
Fix of the issue that after connecting
to Bluetooth device it was impossible
to disconnect using Disconnect button.
Refactor of connect/disconnect events
naming (and all names related).
Added tests and calls substate
bluetooth sm diagram created
All old bluetooth tests reviewed and updated
removed new - with queue it's not required
removed TODO
Co-authored-by: Bartosz Cichocki <sp2fet@gmail.com>
Now, both profiles can operate separately. Additonally, minor
fixes has been applied to allow calling via car audio system.
Some infotainment systems still don't work though.
