demos: Clean up vulkaninfo source formatting
demos: Clean up vulkaninfo source formatting

A few spots where clang-format is disabled need some cleanup.

Change-Id: I1adc64d479244fc5f655b3e3e7cd74d64499f682

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