Don't copy d3dcompiler_47.dll when build target is Windows ARM64 Windows ARM64 was first released at 10.0.16299 which contains d3dcompiler_47.dll under %systemroot%\system32, so no need to copy it from Windows SDK. For the same reason, it is also not included as part of redistribute package for Windows ARM64. Bug: chromium:893460 Change-Id: I175ce831d800ec1f19c767fc172219f6b693fec3 Reviewed-on: https://chromium-review.googlesource.com/c/1357155 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>