[iOS] Move AutofillEditCollectionVC to legacy

This is needed to move the subclasses to UITableView one by one.

Bug: 894791
Change-Id: I6790f649df2ca61cfd2551ac9afe6fff732a39dd
Reviewed-on: https://chromium-review.googlesource.com/c/1344057
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609953}
9 files changed