[SafetyCheck] Fix max value for histogram

Reduce max value to 99, so that there is a better bucketing
of list count. Currently we only see 2 buckets, which is not a meaningful guiding metric for the team.

(cherry picked from commit 2cc8d5a)

Bug: 1345920
Change-Id: I9e1689765a9620c66ed6acfc36f535397b0fbc2a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4176919
Reviewed-by: Side YILMAZ <sideyilmaz@chromium.org>
Reviewed-by: Denis Kuznetsov <antrim@chromium.org>
Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Commit-Queue: Kamila Hasanbega <hkamila@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1096097}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4197577
Commit-Queue: Demetrios Papadopoulos <dpapad@chromium.org>
Auto-Submit: Kamila Hasanbega <hkamila@chromium.org>
Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/branch-heads/5481@{#730}
Cr-Branched-From: 130f3e4-refs/heads/main@{#1084008}

chrome/browser/resources/settings/metrics_browser_proxy.ts

@@ -242,7 +242,7 @@ export class MetricsBrowserProxyImpl implements MetricsBrowserProxy {
   recordSafetyCheckNotificationsListCountHistogram(suggestions: number) {
     chrome.send('metricsHandler:recordInHistogram', [
       'Settings.SafetyCheck.NotificationsListCount',
-      suggestions, 3999 /*max value for Notification suggestions*/,
+      suggestions, 99 /*max value for Notification suggestions*/,
     ]);
   }