Add support for COM #import

[sean-mcmanus]

Looks like we would need to send --import_dir args.

From #7039

[Colengms]

This is similar to #2703 , which also involves the --import_dir arg.

[github-actions]

This feature request is being closed due to insufficient upvotes. When enough upvotes are received, this issue will be eligible for our backlog.