vulkan: format generated code

Run clang-format on the following generated source files:
* All files generated via cereal.common.codegen.Module.
* vulkan_gfxstream.h.

The .clang-format file checked into the repo where the generated files
live is used.

Change-Id: I533a0fb2dec44e731a152be0d4197bd2676ce823
3 files changed