Disable `EnrollmentRecoveryTest.DifferentDomain`.

https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=EnrollmentRecoveryTest.DifferentDomain
shows a pretty unhappy story for `EnrollmentRecoveryTest.DifferentDomain`
on linux-chromeos-dbg in both `browser_tests` and `non_viz_browser_tests`.

TBR=antrim@chromium.org

Bug: 1024176
Change-Id: I92a8605359f6db3e22d9733aa8d2ec263d685e21
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1912709
Commit-Queue: Mike West <mkwst@chromium.org>
Reviewed-by: Mike West <mkwst@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714881}

chrome/browser/chromeos/login/enrollment/enrollment_local_policy_server_browsertest.cc

@@ -661,7 +661,8 @@ IN_PROC_BROWSER_TEST_F(EnrollmentRecoveryTest, Success) {
           .empty());
 }
 
-IN_PROC_BROWSER_TEST_F(EnrollmentRecoveryTest, DifferentDomain) {
+// TODO(1024176): Consistently timing out.
+IN_PROC_BROWSER_TEST_F(EnrollmentRecoveryTest, DISABLED_DifferentDomain) {
   test::SkipToEnrollmentOnRecovery();
 
   ASSERT_TRUE(StartupUtils::IsDeviceRegistered());