https://chromium.googlesource.com/external/github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator/+log/065e739079d9..b1d65a2b3373

$ git log 065e73907..b1d65a2b3 --date=short --no-merges --format='%ad %ae %s'
2021-01-27 shawn.p.huang Add vma.cpp contains vma's implementation.
2021-01-27 shawn.p.huang Add a new target with the VmaUsage.cpp and VmaUsage.h

Created with:
  roll-dep third_party/vulkan_memory_allocator

Bug: chromium:1170339
Change-Id: I4db27eb0674d1da3157a1081aec3b7db6d7433fe
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2657724
Commit-Queue: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>