Put a dummy pc file for libvda under /docker/pkgconfig/ instead of generating
at the runtime.
This is a fix for CL:2133987, but shouldn't change any behavior.
BUG=none
TEST=build_crosvm_base.sh && build_crosvm.sh with CL:1973973
Change-Id: Ifd7677abf14346ca2e7a9bc48b5ebb6c519b78aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2145533
Tested-by: Keiichi Watanabe <keiichiw@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Keiichi Watanabe <keiichiw@chromium.org>
