GitLab

Add a finalized string for the scanner dropdown label and implement i18n
for strings.

Bug: 1059779
Change-Id: Ia216da7e9c9fc5a6b8928aa02e0889ade65acdad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2429227Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Reviewed-by: Jimmy Gong <jimmyxgong@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Jesse Schettler <jschettler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810405}