GitLab

CI builders:
- Linux ASan LSan Builder
- Linux TSan Builder

Try builders:
- linux_chromium_asan_rel_ng
- linux_chromium_tsan_rel_ng
- gpu-try-linux-nvidia-rel
- linux-rel

See planned migration schedule:
https://docs.google.com/spreadsheets/d/1TZhpasm6iceYm7zqkyEtZ1wn9ZcpREfH4LV4cusICJA/edit#gid=0

R=agable@chromium.org, bpastene@chromium.org, jbudorick@chromium.org, tikuta@chromium.org

Bug: 950413
Change-Id: Idd0005d75f07245f52097315e062488845d579d8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1871709Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Aaron Gable <agable@chromium.org>
Commit-Queue: Simon Que <sque@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708460}