Migrate google related tests to use freezegun (#105552)

* Migrate google related tests to use freezegun

* retrigger CI

* Fix google tests

* Add timezone to config_entry_token_expiry

* Separate config_entry_token_expiry from token_expiry

* Also test token refresh for offset-naive tokens

* retrigger CI

* Apply code review suggestion

Co-authored-by: Allen Porter <allen.porter@gmail.com>

* Run ruff-format

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Co-authored-by: Allen Porter <allen.porter@gmail.com>