GitLab

Introduced ozone_extra_path build argument. It points to additional
platforms file to include while building ozone platforms. It points to
//ui/ozone/ozone_extra.gni by default for backward compatibility.

Bug: 918118
Change-Id: If6db25b3693f319955fdec54d9f91d47422a6e38
Reviewed-on: https://chromium-review.googlesource.com/c/1391687Reviewed-by: Michael Spang <spang@chromium.org>
Commit-Queue: Michael Spang <spang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619679}