GitLab

DX12/Vulkan info collection is not needed for headless mode. Don't
launch the unsandboxed GPU process, which is only for info collection.

Bug: 1008904
Change-Id: Ibd0a58ab02675752e86282ef91e2b0b87935e256
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1981130Reviewed-by: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: Andrey Kosyakov <caseq@chromium.org>
Commit-Queue: Maggie Chen <magchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727480}