Revert "Sheriff: Disable flaky test...

Revert "Sheriff: Disable flaky test LocalSiteCharacteristicsDatabaseTest.FaviconUpdateFeatureUsage on Windows"

This reverts commit 8c5a2293.

Reason for revert: Reason for revert: breaks the build.

Original change's description:
> Sheriff: Disable flaky test LocalSiteCharacteristicsDatabaseTest.FaviconUpdateFeatureUsage on Windows
> 
> TBR=fdoray@chromium.org
> TBR=chrisha@chromium.org
> 
> Bug: 1004641
> Change-Id: Iae6046cac12450732ea9b5ceff58f4372a8ac96d
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1808625
> Reviewed-by: Fergus Dall <sidereal@google.com>
> Cr-Commit-Position: refs/heads/master@{#697107}

TBR=chrisha@chromium.org,fdoray@chromium.org,sidereal@google.com

Change-Id: I94b4ffb61ae9e43d7a42e40deb5337ba446cb5b2
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1004641
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1807494Reviewed-by: Mikel Astiz <mastiz@chromium.org>
Commit-Queue: Mikel Astiz <mastiz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697111}

chrome/browser/resource_coordinator/local_site_characteristics_database_browsertest.cc

@@ -11,7 +11,6 @@
 #include "base/run_loop.h"
 #include "base/test/scoped_feature_list.h"
 #include "base/test/simple_test_tick_clock.h"
-#include "build/build_config.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
@@ -457,13 +456,8 @@ IN_PROC_BROWSER_TEST_F(LocalSiteCharacteristicsDatabaseTest,
 
 // Test that the favicon update feature usage in background gets detected
 // properly.
-#if defined(OS_WIN)
-#define MAYBE_FaviconUpdateFeatureUsage DISABLED_FaviconUpdateFeatureUsage
-#else
-#define MAYBE_FaviconUpdateFeatureUsage FaviconUpdateFeatureUsage
-#else
 IN_PROC_BROWSER_TEST_F(LocalSiteCharacteristicsDatabaseTest,
-                       MAYBE_FaviconUpdateFeatureUsage) {
+                       FaviconUpdateFeatureUsage) {
   TestFeatureUsageDetection(
       &SiteCharacteristicsDataReader::UpdatesFaviconInBackground,
       internal::LocalSiteCharacteristicsDataImpl::TrackedBackgroundFeatures::