cloudbuild.yaml also needs a top level timeout.

Bug: skia:
Change-Id: Idab02c36778feab40bf6750646929d037db7321a
Reviewed-on: https://skia-review.googlesource.com/139168
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Joe Gregorio <jcgregorio@google.com>
1 file changed