Add VK_USE_PLATFORM_XCB_KHR to SDK CMakeLists
Add VK_USE_PLATFORM_XCB_KHR to SDK CMakeLists

Change-Id: Ida2efa2a9aaa9b5c95996a7860abfe67f986ad3a

Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples