Forbid multipart upload if google storage

Forbid multipart upload if google storage

Google Storage doesn't support S3 multipart uploads
https://docs.aws.amazon.com/AmazonS3/latest/dev/mpuoverview.html
https://cloud.google.com/storage/docs/composite-objects

5 * 1024 ** 5 is the multipart upload limit.
https://docs.aws.amazon.com/AmazonS3/latest/dev/qfacts.html

Change-Id: Iec3a5cd70ea6e912272ea231eecde6ee4f51ce4f
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
(cherry picked from commit f5aceb5447deed25234c5354b9dd9601115d9378)