[iOS] Convert sync to UITableView

This CL migrates the SyncSettingsCollectionViewController to
SyncSettingsTableViewController.

Bug: 894791
Change-Id: Ic384bee03f0e7d60f17f5df4cc2ee12263508771
Reviewed-on: https://chromium-review.googlesource.com/c/1447811
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Jérôme Lebel <jlebel@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#629387}
16 files changed