* Move consts to const, general cleanup
* Add unique id
* Add default icon
* Set supported features based on sound output
* Update homeassistant/components/webostv/media_player.py
Co-Authored-By: Martin Hjelmare <marhje52@gmail.com>
* Set device class
* Add software_info to client mock
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>