Add a recipe for testing fuchsia_ctl.

Example run: https://chromium-swarm.appspot.com/task?id=4bff64f25273eb10

Bug: https://github.com/flutter/flutter/issues/56138
Change-Id: I4065af9fd284e6f0dc59c5cc0640d0a9df8db003
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/2460
Reviewed-by: Godofredo Contreras <godofredoc@google.com>