[M87 Merge][Metrics] Disable FamilyUserMetricsProvider

FamilyUserMetricsProvider currently causes a crash bug in guest mode.
Disable the feature flag and browser test while looking into a fix.

(cherry picked from commit 6e5972c83955129cd02bae8dc321b3f1b2a4c1d1)

Bug: 1137352
Change-Id: Ia327e39754f2bd48c9e9bfec11e4b1e6d47c447a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2472263
Auto-Submit: Toby Huang <[email protected]>
Reviewed-by: Aga Wronska <[email protected]>
Reviewed-by: Alexei Svitkine <[email protected]>
Commit-Queue: Alexei Svitkine <[email protected]>
Cr-Original-Commit-Position: refs/heads/master@{#817167}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2472906
Reviewed-by: Toby Huang <[email protected]>
Commit-Queue: Toby Huang <[email protected]>
Cr-Commit-Position: refs/branch-heads/4280@{#418}
Cr-Branched-From: ea420fb963f9658c9969b6513c56b8f47efa1a2a-refs/heads/master@{#812852}
diff --git a/chrome/browser/chromeos/child_accounts/family_features.cc b/chrome/browser/chromeos/child_accounts/family_features.cc
index f0ab0eb..ca98c1566 100644
--- a/chrome/browser/chromeos/child_accounts/family_features.cc
+++ b/chrome/browser/chromeos/child_accounts/family_features.cc
@@ -7,6 +7,6 @@
 namespace chromeos {
 
 const base::Feature kFamilyUserMetricsProvider{
-    "FamilyUserMetricsProvider", base::FEATURE_ENABLED_BY_DEFAULT};
+    "FamilyUserMetricsProvider", base::FEATURE_DISABLED_BY_DEFAULT};
 
 }  // namespace chromeos
diff --git a/chrome/browser/metrics/family_user_metrics_provider_browsertest.cc b/chrome/browser/metrics/family_user_metrics_provider_browsertest.cc
index 2200935..4f01b97 100644
--- a/chrome/browser/metrics/family_user_metrics_provider_browsertest.cc
+++ b/chrome/browser/metrics/family_user_metrics_provider_browsertest.cc
@@ -87,7 +87,7 @@
       /*use_local_policy_server=*/false};
 };
 
-IN_PROC_BROWSER_TEST_P(FamilyUserMetricsProviderTest, UserCategory) {
+IN_PROC_BROWSER_TEST_P(FamilyUserMetricsProviderTest, DISABLED_UserCategory) {
   base::HistogramTester histogram_tester;
   FamilyUserMetricsProvider provider;
   // Simulate calling ProvideCurrentSessionData() prior to logging in.