[Sheriff] Disable flaky FirstRunIntegrationTest#testExitFirstRunWithPolicy

This CL disables the flaky test
FirstRunIntegrationTest#testExitFirstRunWithPolicy.

Bug: 1166585
Change-Id: I83ce1d787b894fbfcb00d61b4cf4477729e461cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2628953
Auto-Submit: Alice Wang <aliceywang@chromium.org>
Commit-Queue: Wenyu Fu <wenyufu@chromium.org>
Reviewed-by: Wenyu Fu <wenyufu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843589}

chrome/android/javatests/src/org/chromium/chrome/browser/firstrun/FirstRunIntegrationTest.java

@@ -36,6 +36,7 @@ import org.chromium.base.CollectionUtil;
 import org.chromium.base.task.PostTask;
 import org.chromium.base.test.util.Criteria;
 import org.chromium.base.test.util.CriteriaHelper;
+import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.ScalableTimeout;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeTabbedActivity;
@@ -304,6 +305,7 @@ public class FirstRunIntegrationTest {
 
     @Test
     @MediumTest
+    @DisabledTest(message = "crbug/1166585")
     public void testExitFirstRunWithPolicy() {
         skipTosDialogViaPolicy();