layers: Move update_template temp structure creation
layers: Move update_template temp structure creation

Change-Id: Ib24bfc08114b8bdded7df0e69bfe3ea531e9df20

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