This is a trivial change intended to test libyuv's new CQ, but also
happens to be a nice cleanup, removal of dead entries, and sort of
the remaining entries.

Change-Id: I87cc228d3096fdf60b755ead6bd082757ce53262
Reviewed-on: https://chromium-review.googlesource.com/430992
Commit-Queue: Aaron Gable <agable@chromium.org>
Reviewed-by: Frank Barchard <fbarchard@google.com>