AccuracyTips: Fix SiteEngagement finch parameter

Bug: 1210891
Change-Id: Id0fd32f008e4690bfc47493ecd8952010b9869e7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3141887


Commit-Queue: Christian Dullweber <dullweber@chromium.org>
Commit-Queue: Olesia Marukhno <olesiamarukhno@google.com>
Auto-Submit: Christian Dullweber <dullweber@chromium.org>
Reviewed-by: Olesia Marukhno <olesiamarukhno@google.com>
Cr-Commit-Position: refs/heads/main@{#918741}