Prerequisites

• This issue has an informative and human-readable title.

💡 Summary

Along with Chat policy 5.1 a request was made to implement policy API check for Chat 5.2 as well to the Google product team.

Once the feature is implemented update the code to support policy API check for Chat 5.2

Motivation and context

Policy API is more reliable.

Implementation notes

https://docs.cloud.google.com/identity/docs/concepts/supported-policy-api-settings#chat_settings

Acceptance criteria

Chat 5.2 now uses the API.