The idea is to allow building the utests outside of Chromium directory
structure, thus allowing to run the tests as part of AOSP or any other
downstream project.

Bug: 1032721
Change-Id: I21a93b35221a9f5438c8a50908af05725c28022a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2210904


Reviewed-by: Chris Blume <cblume@chromium.org>
Commit-Queue: Adenilson Cavalcanti <cavalcantii@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#771939}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 944295e224eb626ffbc52fd533554c99fce363f3