Move the manually parts to src/dawn_native/webgpu_absl_format.cpp/h.
Rename the template webgpu_absl_format.cpp/h to api_absl_format.cpp.h .
BUG=dawn:1201, dawn:563
Change-Id: Ibbeea43227f4fcf7f1d6b1d0bc3927226e79e6c3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/74300
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Junwei Fu <junwei.fu@intel.com>