Disable SyncConsentSplitSettingsSyncTest on ASAN/LSAN

There's a flaky use-after-free that seems to be related to a tabbed
browser launching in the middle of an OOBE test.

TBR=rsorokin@chromium.org

Bug: 1054377
Change-Id: Id734556588c3a6f421714e5b0c445e657f875d56
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2067663Reviewed-by: James Cook <jamescook@chromium.org>
Commit-Queue: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743340}

chrome/browser/chromeos/login/screens/sync_consent_browsertest.cc

@@ -303,7 +303,13 @@ class SyncConsentSplitSettingsSyncTest : public SyncConsentTest {
   base::test::ScopedFeatureList sync_feature_list_;
 };
 
-IN_PROC_BROWSER_TEST_F(SyncConsentSplitSettingsSyncTest, DefaultFlow) {
+// Flaky failures on sanitizer builds. https://crbug.com/1054377
+#if defined(ADDRESS_SANITIZER) || defined(LEAK_SANITIZER)
+#define MAYBE_DefaultFlow DISABLED_DefaultFlow
+#else
+#define MAYBE_DefaultFlow DefaultFlow
+#endif
+IN_PROC_BROWSER_TEST_F(SyncConsentSplitSettingsSyncTest, MAYBE_DefaultFlow) {
   LoginToSyncConsentScreen();
 
   // OS sync is disabled by default.
@@ -352,7 +358,13 @@ IN_PROC_BROWSER_TEST_F(SyncConsentSplitSettingsSyncTest, DefaultFlow) {
   EXPECT_TRUE(prefs->GetBoolean(syncer::prefs::kOsSyncFeatureEnabled));
 }
 
-IN_PROC_BROWSER_TEST_F(SyncConsentSplitSettingsSyncTest, UserCanDisable) {
+// Flaky failures on sanitizer builds. https://crbug.com/1054377
+#if defined(ADDRESS_SANITIZER) || defined(LEAK_SANITIZER)
+#define MAYBE_UserCanDisable DISABLED_UserCanDisable
+#else
+#define MAYBE_UserCanDisable UserCanDisable
+#endif
+IN_PROC_BROWSER_TEST_F(SyncConsentSplitSettingsSyncTest, MAYBE_UserCanDisable) {
   LoginToSyncConsentScreen();
 
   // Wait for content to load.