layers: Track WSI fences and semaphores
layers: Track WSI fences and semaphores

Treat temporarily imported semaphores and fences from
vkAcquireNextImageKHR as internal sync objects since the spec allows
them to be waited on.

Change-Id: I195bb7f4b65d141e9fb4a541817b4dc37b6aa600

KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers,KhronosGroup/Vulkan-LoaderAndValidationLayers