Sheriff: Disable flaky UrlNavigationToActivityLogFail test.

Disable CrExtensionsManagerTestWithIdQueryParam.UrlNavigationToActivityLogFail

TBR=rdevlin.cronin@chromium.org

Bug: 1127741
Change-Id: I43680caf65185718fcfce1e2d2f3a8484b6a1c30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2409055Reviewed-by: Alexey Baskakov <loyso@chromium.org>
Commit-Queue: Alexey Baskakov <loyso@chromium.org>
Cr-Commit-Position: refs/heads/master@{#806544}

chrome/test/data/webui/extensions/cr_extensions_browsertest.js

@@ -519,9 +519,10 @@ TEST_F(
           extension_manager_tests.TestNames.UrlNavigationToDetails);
     });
 
+// Disabled as flaky. TODO(crbug.com/1127741): Enable this test.
 TEST_F(
-    'CrExtensionsManagerTestWithIdQueryParam', 'UrlNavigationToActivityLogFail',
-    function() {
+    'CrExtensionsManagerTestWithIdQueryParam',
+    'DISABLED_UrlNavigationToActivityLogFail', function() {
       this.runMochaTest(
           extension_manager_tests.TestNames.UrlNavigationToActivityLogFail);
     });