gpu: Add 4:4:4 to possible JPEG subsamplings in GPUInfo.

This CL adds 4:4:4 to the list of possible subsampling formats
advertised for hardware accelerated JPEG decoding in GPUInfo.

Test: None.
Bug: 868400
Change-Id: Id866e361321151f92549b58439d95c5da9407462
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1532824
Reviewed-by: Antoine Labour <piman@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Auto-Submit: Andres Calderon Jaramillo <andrescj@chromium.org>
Commit-Queue: Robert Sesek <rsesek@chromium.org>
Cr-Commit-Position: refs/heads/master@{#642940}
5 files changed