[DNS] Report RevocationState for false positives in UKM

For false positives let's also report whether this is a proposed or an
actually revoked entry.

NO_IFTTT=Just adding the IfChange/ThenChange

Bug: 406475122
Change-Id: Id60fe4de9e1e4bd1efde2815100a6e391c458ab0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6533083
Reviewed-by: Robert Kaplow <rkaplow@chromium.org>
Reviewed-by: Olesia Marukhno <olesiamarukhno@google.com>
Commit-Queue: Olesia Marukhno <olesiamarukhno@google.com>
Cr-Commit-Position: refs/heads/main@{#1460640}