[fuchsia] Update for new FIDL API

See: https://fuchsia-review.googlesource.com/c/fuchsia/+/304389
Change-Id: Ia0738618106597ff250c37a3e8061f13cb777c41
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230957
Reviewed-by: Mike Klein <mtklein@google.com>
Auto-Submit: Ian McKellar <ianloic@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
1 file changed