Add talkies to api-export

Test Plan:
- I previously tested this by checking what youtube IDs this added, looked reasonable
- Run api.get_youtube_ids(), see no errors
- Wait for script to run, see scratchpad youtubes backed up to Amazon.

Reviewers: james

Reviewed By: james

Differential Revision: http://phabricator.khanacademy.org/D8838