GitLab

Some builds take more than 3 hours leading to timeout of almost complete
builds. Extend timeout until the builds are faster.

R=bpastene@google.com

Bug: 1030593
Change-Id: I4c85e14abfe1613e1f6908f175cbfaf1b8e91214
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1951091Reviewed-by: Ben Pastene <bpastene@chromium.org>
Commit-Queue: Anushruth  <anushruth@chromium.org>
Cr-Commit-Position: refs/heads/master@{#721715}