Except with error messages returned from the API

[txomon]

Is your feature request related to a problem? Please describe.

Currently the implementation will raise an exception if the answer is not 200. https://github.com/googleapis/google-resumable-media-python/blob/master/google/resumable_media/_helpers.py#L70-L98

The current implementation is terrible for development / problem triaging in production systems because it shadows the real problem making no use of the error message explaining the issue.

Describe the solution you'd like

To show the messages the API return

Describe alternatives you've considered

Introspecting the stack to get the message out