[FastCheckout] Implement autofill profile item list.

This CL adds a RecyclerView that lists all available Autofill
profiles for the user to choose from.
A follow-up CL will be dedicated to styling/ populating the
individual item views.

Bug: 1355310, 1334642
Change-Id: I4b3a958570381db68826b993bb7a452120f9f3f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3854550


Commit-Queue: Jan Keitel <jkeitel@google.com>
Reviewed-by: Norge Vizcay <vizcay@google.com>
Cr-Commit-Position: refs/heads/main@{#1040910}