When the builder was moved to the main console it should have gotten
a higher priority for tests as otherwise it's affected of bot
shortage as in the bug below.

No-Try: true
Bug: v8:11566
Change-Id: Ide63f3659a8791e5ef4b48fc62504bc06bd09453
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2762149
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73421}