OSS Bucket Acl can be imported using the id, e.g.
$ pulumi import alicloud:oss/bucketAcl:BucketAcl example <id>
Bucket-level Access Control List (ACL)，Valid values: private, public-read, public-read-write.
private
public-read
public-read-write
The name of the bucket to which the current ACL configuration belongs.