Reland "Tricium prod config"

This reverts commit 1e95ce1dbd022f93664c05ce67770bd03af2851f.

Reason for revert: Tricium jobs are note being triggered.

Original change's description:
> Revert "Tricium prod config"
>
> This reverts commit b4c56c7f527952c9308ddd2104529e66e95274a2.
>
> Reason for revert: Accidental submit.
>
> Original change's description:
> > Tricium prod config
> >
> > Change-Id: If4b83d25c8e9dd59b29663a830dd5aad3fb17cc6
>
> # Not skipping CQ checks because original CL landed > 1 day ago.
>
> Change-Id: If314fe0ed5417150cac8c9472832c38762522180
> Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/43600
> Reviewed-by: Ricardo Amador <ricardoamador@google.com>
> Reviewed-by: Godofredo Contreras <godofredoc@google.com>

# Not skipping CQ checks because original CL landed > 1 day ago.

Change-Id: I36ee98e0eca373a7f4d449892fc2c8369cf65183
Reviewed-on: https://flutter-review.googlesource.com/c/recipes/+/44003
Reviewed-by: Ricardo Amador <ricardoamador@google.com>