Add Autoclass support to google.cloud.gcp_storage_bucket module

[huang-jy]

SUMMARY

Add autoclass to google.cloud.gcp_storage_bucket module (https://cloud.google.com/storage/docs/autoclass)

ISSUE TYPE

• Feature Idea

COMPONENT NAME

google.cloud.gcp_storage_bucket

ADDITIONAL INFORMATION

Enables this feature declaratively without having to use shell and gcloud binary

[toumorokoshi]

Thanks for the report! I'll add the enhancement label: we aren't able to prioritize new features at the moment, but happy to take a PR.