[iOS] Update EG matchers for new Settings cells

This CL updates the chrome matchers and actions functions to be
compatible with the new type of cells in the Settings.

Bug: 894791
Change-Id: I10d899a3e4946b9e171bdf8909d10ce0f50c8b2a
Reviewed-on: https://chromium-review.googlesource.com/c/1333368
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#608336}
8 files changed