docs: Update runtime installer license copyright
docs: Update runtime installer license copyright

Change-Id: I41e6cdeb573754cebbf9c38cffc8be7a7c196591

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