Add VirtIO vendor Id parsing to SystemInfo VirtIO gpu on ChromeOS VM uses vendor Id 0x1AF4. Bug: angleproject:7940 Change-Id: I202338ea3c24b952ef094f06d6f7ce8e3d70f3a4 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4148887 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>