Idle: Disable flaky test

Bug: 1062668
Change-Id: I40137e8782a2456364271b62a39c5a10cac068c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2111372
Commit-Queue: Victor Costan <pwnall@chromium.org>
Reviewed-by: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751888}

content/browser/idle/idle_manager_unittest.cc

@@ -330,7 +330,8 @@ TEST_F(IdleManagerTest, LockingScreenThenIdle) {
   }
 }
 
-TEST_F(IdleManagerTest, LockingScreenAfterIdle) {
+// Disabled test: https://crbug.com/1062668
+TEST_F(IdleManagerTest, DISABLED_LockingScreenAfterIdle) {
   mojo::Remote<blink::mojom::IdleManager> service_remote;
 
   auto impl = std::make_unique<IdleManager>();