Fix references in cloudspeech.py

[LRitzdorf]

This restores functionality to the Cloud Speech module. Closes #716.

Changes are taken directly from the discussion in #716. Thanks to @rabbitmcrabbit for providing the proper edits!

These changes are confirmed to work on my Voice Kit v2, and several others have reported similarly beneficial results in the linked issue thread.

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[LRitzdorf]

@googlebot I signed it!

[LRitzdorf]

@dmitriykovalev Apologies for the ping, but this really is important. The problem fixed in this PR is present on all OOB installs, and is a relatively easy fix. A review would be highly appreciated, so we can merge this into the official repo.

Thanks!