GitLab

Adds a new virtual function to OS Settings Sections that takes in a
mojom::Setting and an optional Value and logs the corresponding metrics.
Left unimplemented in most sections for now.

Bug: 1133553
Change-Id: I5784fa827e7c3a2b5b960b6dd309f8fed0960183
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2439498
Commit-Queue: Daniel Classon <dclasson@google.com>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812386}