GitLab

Extract ExpandablePreferenceGroup to Settings build target, along with
owned resources.

Move shared resources (expand more/less icon and transitions) to
ui/android.

Bug: 1035928
Change-Id: I54173013d78f731aceb5ae90a7b85d07c176d94f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1992517
Commit-Queue: Natalie Chouinard <chouinard@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Reviewed-by: Peter Wen <wnwen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#731692}