GitLab

This CL updates the header asset design for all menus to be full bleed
by removing the 8px margin.

Screenshot: https://screenshot.googleplex.com/8DXjXJW4TZCsSdQ.png

Design Deck: go/alignmenus

Bug: 1105763
Change-Id: I3c4f142ca75bf1651325ddd9a5b157e15347acab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2510402
Commit-Queue: Mariam Ali <alimariam@google.com>
Reviewed-by: Jan Krcal <jkrcal@chromium.org>
Reviewed-by: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825360}