[omnibox] Reland Add 'de' & 'zh-CN' files; fix translation expectations

This reverts commit e12fc76c and sets
the language lists equal, including both the old and new languages
since the translation work is already done for these languages.

Bug: 893183, 1224679, 1234376
Change-Id: I0a1ee85823d7c5bff21ae95806ace205801076ab
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3059381


Commit-Queue: Orin Jaworski <orinj@chromium.org>
Reviewed-by: Ben Mason <benmason@chromium.org>
Reviewed-by: Angela Yoeurng <yoangela@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#908296}