GitLab

Rolling back the bump to 25% and increasing sharding
Capacity looks good: http://shortn/_0ICs5GbtYR
However, build times have gotten much slower.

Bug: 1042757
Change-Id: Ifd058c01da1641aeea0adb04e3f5a6dff031aa81
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2596793Reviewed-by: Erik Staab <estaab@chromium.org>
Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Erik Staab <estaab@chromium.org>
Auto-Submit: Gary Tong <gatong@chromium.org>
Cr-Commit-Position: refs/heads/master@{#838235}