vulkan/util,vulkan/wsi,radv: Add typed outarray API
MSVC cannot perform GCC __typeof__ for C code. (C++ has decltype.)
Add adjacent functions to allow specifying types manually.
Splitting off changes from !6162 (merged).
MSVC cannot perform GCC __typeof__ for C code. (C++ has decltype.)
Add adjacent functions to allow specifying types manually.
Splitting off changes from !6162 (merged).