About WebUI: filter out CrOS-specific parts when SplitSettings feature is enabled

Bug: 974378
Change-Id: Iaea2a9f75dd5f13b245169b0852e1a1a2ac50fe3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1676243
Commit-Queue: Esmael El-Moslimany <aee@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672764}
4 files changed