This will make it easier to trigger the trace tests when these files
are modified.

Bug: angleproject:5530
Change-Id: I5f0c450595b380cd91b20c1477dc1845bee35dd9
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2686120
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Cody Northrop <cnorthrop@google.com>