media/gpu/v4l2svda: add GL-related members

As we are about to introduce image processor support in the v4l2svda, a
few members describing the output frame's format may now refer to the
GL-capable device instead of the decoder.

Add these members and use them where appropriate - since IP support is
still lacking, for now they will always hold the same values as their
decoder's counterpart.

The V4L2VDA does something similar, albeit for EGL.

Bug: b:132589320
Test: vdaunittest and vdatests pass on Minnie.

Change-Id: I66ac72edeb0de279b30e486d54bd198dcf36a9e3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1730733
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Chih-Yu Huang <akahuang@chromium.org>
Commit-Queue: Alexandre Courbot <acourbot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683916}
2 files changed