[sheriff] Disable SiteDataCountingHelperTest.SameHostDifferentScheme

TBR=eirage@chromium.org
NOTRY=true

Bug: 1168198
Change-Id: I3196ad66bace95157d110f840babd269d394df32
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2637963Reviewed-by: Xida Chen <xidachen@chromium.org>
Reviewed-by: Ella Ge <eirage@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#844891}

chrome/browser/browsing_data/counters/site_data_counting_helper_unittest.cc

@@ -160,7 +160,8 @@ TEST_F(SiteDataCountingHelperTest, CookiesAndLocalStorage) {
   EXPECT_EQ(3, CountEntries(base::Time(), base::Time::Max()));
 }
 
-TEST_F(SiteDataCountingHelperTest, SameHostDifferentScheme) {
+// Flaky on a few platforms: crbug.com/1168198
+TEST_F(SiteDataCountingHelperTest, DISABLED_SameHostDifferentScheme) {
   base::Time now = base::Time::Now();
   CreateCookies(now, {"http://google.com", "https://google.com"});
   CreateLocalStorage(now,