GitLab

This aligns the expiry of
Navigation.MainFrameFormSubmission.SiteEngagementLevel with
Navigation.MainFrame.SiteEngagementLevel.

Bug: 1140053
Change-Id: I36ba7bdf1980f494fb6798e4a9902e45d67366b5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2561700Reviewed-by: Chris Thompson <cthomp@chromium.org>
Commit-Queue: Mustafa Emre Acer <meacer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#831941}