[iOS][QD] Add metrics for time range preference change

This CL records metrics for when the time range preference is updated
in QD. In practise, this happens when the user taps on a time range in
the popup button in the root page of Quick Delete.

Bug: 337008330, 335387869
Change-Id: I0ec619cd9ba263fd47b511b02d1341d43261a4f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5860699
Commit-Queue: Filipa Senra <fsenra@google.com>
Reviewed-by: Jérôme Lebel <jlebel@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Reviewed-by: Martin Šrámek <msramek@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1355798}