sheriff: disable CrSettingsPrivacyPageTest.CertificateManagerTests

Failing on several builders (e.g.
https://ci.chromium.org/p/chromium/builders/ci/Win7%20Tests%20%28dbg%29%281%29/81310)

Looks like I missed this failure before.

TBR=dbeam@chromium.org

No-try: true
Bug: 1043665
Change-Id: Ic93870517911b2e404e724d0b9c06586bfa45c31
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2011292Reviewed-by: Nina Satragno <nsatragno@chromium.org>
Commit-Queue: Nina Satragno <nsatragno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733469}

chrome/test/data/webui/settings/cr_settings_browsertest.js

@@ -965,10 +965,13 @@ TEST_F('CrSettingsPrivacyPageTest', 'InstalledAppsTests', () => {
 });
 
 GEN('#if defined(OS_MACOSX) || defined(OS_WIN)');
-TEST_F('CrSettingsPrivacyPageTest', 'CertificateManagerTests', function() {
-  settings_privacy_page.registerNativeCertificateManagerTests();
-  mocha.run();
-});
+// TODO(crbug.com/1043665): disabling due to failures on several builders.
+TEST_F(
+    'CrSettingsPrivacyPageTest', 'DISABLED_CertificateManagerTests',
+    function() {
+      settings_privacy_page.registerNativeCertificateManagerTests();
+      mocha.run();
+    });
 GEN('#endif');
 
 GEN('#if !defined(OS_CHROMEOS)');