layers: Fix swapchain GetDisplayPlanePropertyCount count check
layers: Fix swapchain GetDisplayPlanePropertyCount count check

Change-Id: I1b16a422349eb1c5a6564704f079a0243c5ea00d

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