Extend histograms by 1 year.

Histograms extended:
SB2.DownloadChecks
SBClientDownload.SafeDownloadOpenedLatencyByContentType.*
SafeBrowsing.Pref.Daily.SafeBrowsingState
SBClientDownload.UserGestureFileType.LastBypassDownloadInterval

Fixed: 1349025,1355485,1355415,1343424
Change-Id: I48a061192aaa8626cf6ef8abd9e9d481e82eed3a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3864065


Commit-Queue: Daniel Rubery <drubery@chromium.org>
Auto-Submit: Xinghui Lu <xinghuilu@chromium.org>
Reviewed-by: Daniel Rubery <drubery@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1041033}