Add Quick Settings tile to change wallpaper

[borisfaure]

Describe your suggested feature

I have set up the wallpaper changer with a timer. Sometimes, I'm not fond of the chosen wallpaper and I would like to have a quick settings tile to change it.

Other details

Documentation on Quick-Settings tiles: https://developer.android.com/develop/ui/views/quicksettings-tiles

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.
• [X] I have written a short but informative title.
• [X] I will fill out all of the requested information in this form.