vulkaninfo: Add descriptor indexing feats/props
vulkaninfo: Add descriptor indexing feats/props

Change-Id: I7863fb44fbc1e2c7f7833580799db6b8fb229afe

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools