The current timeline implies the existence of time travel.

Bug: None
Change-Id: Ic558f430912b874afc881f4841a49236f26b78dd
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2178945
Commit-Queue: Michael Spang <spang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>