cloud/storage: restore PutBucketACLRule test.
cloud/storage: restore PutBucketACLRule test.

Google Cloud Storage has fixed the issue on the backend.
This fixes issue #147.

Change-Id: I386fe7934b2ddb1f4eaeebc5e767ace3b761c63c

Maksadbek/gcloud-golang,hsinhoyeh/gcloud-golang,googleapis/google-cloud-go,hsinhoyeh/gcloud-golang,Maksadbek/gcloud-golang,michael-grosshans/google-cloud-go,ptomasroos/gcloud-golang,roth1002/gcloud-golang,googleapis/google-cloud-go,googleapis/google-cloud-go,michael-grosshans/google-cloud-go,googleapis/google-cloud-go,ptomasroos/gcloud-golang,roth1002/gcloud-golang