Fix resizing issues

Fix resizing issues

In summary, this change associates a 1:1
correspondance between a VkImage and XImage.
This will fix resize issues as well as prepare
to implement createInfo->oldSwapchain.

Bug: b/124265819
Change-Id: I42e8e1e7b5c9a5b64820156603dca10e2ab828ca
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26368
Reviewed-by: Alexis Hétu <sugoi@google.com>
Tested-by: Hernan Liatis <hliatis@google.com>