vulkaninfo: Add core 1.1 extensions
vulkaninfo: Add core 1.1 extensions

Added support for the following extensions:

VK_KHR_multiview
VK_KHR_device_group
VK_KHR_device_group_creation

Change-Id: I103fd988518339f95f0eeb7e7408ef49dec8ec22

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