GitLab

Define i18n string "More sub-folders...", and use it as the aria-label
of the breadcrumb elider button.

Tbr: Lucino
Bug: 1035691
Change-Id: Iedcd9e65b56268108f81f40d3430c32475dded5e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2096324Reviewed-by: Noel Gordon <noel@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#748952}