Mark BookmarkTest#testOpenBookmarkManager as flaky

Bug: 879803

Change-Id: Ie3db494b151b36bc73ae9f9067c0c89d4685553b

TBR=twellington@chromium.org

Change-Id: Ie3db494b151b36bc73ae9f9067c0c89d4685553b
Reviewed-on: https://chromium-review.googlesource.com/1200172Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Commit-Queue: Oksana Zhuravlova <oksamyt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#588263}

chrome/android/javatests/src/org/chromium/chrome/browser/bookmarks/BookmarkTest.java

@@ -28,6 +28,7 @@ import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.DisableIf;
 import org.chromium.base.test.util.Feature;
+import org.chromium.base.test.util.FlakyTest;
 import org.chromium.base.test.util.Restriction;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.R;
@@ -208,6 +209,7 @@ public class BookmarkTest {
 
     @Test
     @SmallTest
+    @FlakyTest(message = "crbug.com/879803")
     public void testOpenBookmarkManager() throws InterruptedException {
         openBookmarkManager();
         BookmarkDelegate delegate =