In light of the upcoming VAAPI video decoder backend, add a VAAPI
wrapper crate that exposes a safe Rust API for a subset of the VAAPI C
code. This crate will be called from the VAAPI video decoder backend in
order to decode frames.
BUG=b:214478588
TEST=cargo build --features "video-decoder,vaapi"
TEST=`cargo test -- --include-ignored` in `media/libva` passes on a
device with Intel GPU and libva installed.
Change-Id: I4afa96c49d045251827b97bd78faeba57575aedc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/3422779
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Alexandre Courbot <acourbot@chromium.org>
Reviewed-by: Keiichi Watanabe <keiichiw@chromium.org>
