[Sheriff] Disable MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar

Disabled on windows due to flakiness (see bug)

TBR=mamir@chromium.org

Bug: 919877
Change-Id: I05bd42b71432ae3bd79b2bab8e74d879703aaade
Reviewed-on: https://chromium-review.googlesource.com/c/1406676Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Commit-Queue: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622004}

chrome/browser/sync/test/integration/two_client_bookmarks_sync_test.cc

@@ -1336,8 +1336,16 @@ IN_PROC_BROWSER_TEST_P(TwoClientBookmarksSyncTestIncludingUssTests,
   ASSERT_FALSE(ContainsDuplicateBookmarks(0));
 }
 
+// Flaky on windows, see htpp://crbug.com/919877
+#if defined(OS_WIN)
+#define MAYBE_MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar \
+  DISABLED_MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar
+#else
+#define MAYBE_MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar \
+  MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar
+#endif
 IN_PROC_BROWSER_TEST_P(TwoClientBookmarksSyncTestIncludingUssTests,
-                       MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar) {
+                       MAYBE_MC_MergeSimpleBMHierarchyEqualSetsUnderBMBar) {
   ASSERT_TRUE(SetupClients()) << "SetupClients() failed.";
   DisableVerifier();