GitLab

We're currently seeing some answers whose type doesn't match the list of
launched types. It would be helpful to see those in the timeline view.
The unknown values we're seeing are currently all 0 but I've included
the other known but unlaunched types in case they get erroneously (or
correctly) delivered in the future.

Bug: 
Change-Id: I9627675320d866c4cb4e8f44e90ed03ea45a897f
Reviewed-on: https://chromium-review.googlesource.com/587150
Commit-Queue: Justin Donnelly <jdonnelly@chromium.org>
Reviewed-by: Mark Pearson <mpearson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#490818}