Allow fan domain to be selected for android auto favorites list

[cwrogers]

Summary

Adds the fan domain to the supported android auto domains allowing fan entities to be selected for favorites view in android auto

Screenshots

Link to pull request in Documentation repository

Documentation: home-assistant/companion.home-assistant#1129

Any other notes

[home-assistant[bot]]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks :+1:

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