simple: Detect "play" answer
simple: Detect "play" answer

Summary:
If a problem has the text "play" as the answer, instead of waiting for
it, just prompt for the result.  This is used for performance types of
problems.

Test Plan: Try running with sample data.

Reviewers: d3zd3z

Reviewed By: d3zd3z

Differential Revision: https://davidb.phacility.com/D11

d3zd3z/stenome,d3zd3z/stenome