Allow vkGetImageMemoryRequirements2 to set data in the
VkMemoryDedicatedRequirements pNext structure, the same
way vkGetBufferMemoryRequirements2 already does.

Bug b/119620767

Change-Id: I4fb6bc29862eb01188ec1d2a05b4f6cc34629d8a
Tests: dEQP-VK.memory.mapping.dedicated_alloc.image.*
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/28488Tested-by: Alexis Hétu <sugoi@google.com>
Presubmit-Ready: Alexis Hétu <sugoi@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>