GitLab

This will let folks check out multiple board SDKs at once without
having to modify their .gclient file each time.

Needs to land after crrev.com/c/2163589.

Bug: 937821
Change-Id: I191985b4d5044c84009b8a7d05e33785b6e81e37
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2163849Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Erik Chen <erikchen@chromium.org>
Commit-Queue: Ben Pastene <bpastene@chromium.org>
Cr-Commit-Position: refs/heads/master@{#763367}