Use autocomplete types as part of local heuristics.

Interpret the fields' parsable_name() (id or name attribute) as an
autocomplete type and classify them by it. E.g. <input id=given-name>.

Bug: 1345879
Change-Id: Ia40bb619af23798f0ba29d393e4eb8b2de4dee45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3766676
Commit-Queue: Florian Leimgruber <fleimgruber@google.com>
Reviewed-by: Christoph Schwering <schwering@google.com>
Cr-Commit-Position: refs/heads/main@{#1033875}