This will force any changes to the infra/specs folder to trigger a
full set of tests on a builder.

Bug: angleproject:5114
Change-Id: Ie640b52dd7f12163d0c91843d80dbab7f33209d8
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2875356Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>