Fan should be interpreted as Fan in Google Assistant

[mariuszluciow]

Description:

Google has a separate type for Fan devices.

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass

If the code does not interact with devices:

• Tests have been added to verify that the new code works.

[michaelarnauts]

This PR is about vacuum. You want to split that into a different PR.

[mariuszluciow]

@michaelarnauts waiting for #17657 to be merged first, to avoid conflicts.

[balloob]

okay, other one is merged, please rebase.

[houndci-bot]

Some files could not be reviewed due to errors:

Traceback (most recent call last):

Traceback (most recent call last):
  File "/home/linters/.local/bin/flake8", line 7, in 
    from flake8.main.cli import main
ModuleNotFoundError: No module named 'flake8'

[houndci-bot]

Some files could not be reviewed due to errors:

Traceback (most recent call last):

Traceback (most recent call last):
  File "/home/linters/.local/bin/flake8", line 7, in 
    from flake8.main.cli import main
ModuleNotFoundError: No module named 'flake8'

[mariuszluciow]

@balloob rebased

[balloob]

Thanks!