Needed to call VkCreateXXXSurfaceKHR() functions,
where XXX is the platform name.

Bug: b/125405086
Change-Id: Id0de2ee02bd3b7d5b37eda202fb26e4ad3265bf3
Reviewed-on: https://swiftshader-review.googlesource.com/c/25208
Kokoro-Presubmit: Hernan Liatis <hliatis@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>
Reviewed-by: Chris Forbes <chrisforbes@google.com>
Tested-by: Hernan Liatis <hliatis@google.com>