Replace staging flag cloud-print-service with cloud-print-url.

Replace obsolete '--cloud-print-service=https://cloudprint.sandbox.google.com/cloudprint'
with new '--cloud-print-url=https://cloudprint-nightly-ps.sandbox.google.com/cloudprint'
(changed per CL 204050)

BUG=None
TEST=Run on a test image.

Change-Id: Ief4fa69304938da91dada0b3901a8d1b28e170a8
Reviewed-on: https://chromium-review.googlesource.com/250620
Tested-by: Scott Cunningham <scunningham@chromium.org>
Reviewed-by: Kris Rambish <krisr@chromium.org>
Reviewed-by: Scott Cunningham <scunningham@chromium.org>
Commit-Queue: Scott Cunningham <scunningham@chromium.org>
1 file changed