Autoremove .flac files used for longrunningrecognize Speech to text.

[wRLSS]

Feature request

Speech to text API requires to upload .flac audio-file to Cloud storage in order to make long recognition request.

It would be nice to have something like removeAudioOnCompletion => true parameter for this request, cause basically those files are just temporary input for recognition service, and it would be handy not to remove them manually from client code.

[dwsupplee]

@wRLSS this seems like a pretty cool idea!

Unfortunately, we are deprecating the handwritten Speech-to-Text client in favor of generated ones which will get more frequent updates. This change in direction will make it much more difficult to achieve something like this.