The new simpler names "ci" and "try" prevent URLs with space
characters.

Bug: angleproject:5559
Change-Id: I3e16f88553cc979cdddf2f2e5ff34b2be74b7dae
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2737059Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>