Implement the vk::SamplerYcbcrConversion object and pass it to the
vk::Sampler and vk::ImageView constructors if present as an
VK_STRUCTURE_TYPE_SAMPLER_YCBCR_CONVERSION_INFO extension struct value.

Bug: b/132437008
Tests: dEQP-VK.*ycbcr*
Change-Id: I16b03dc37920dd1eee7de80a370f8f7386dc4cea
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/31614
Presubmit-Ready: Nicolas Capens <nicolascapens@google.com>
Tested-by: Nicolas Capens <nicolascapens@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>