Mark VideoFullscreenOrientationLockChromeTest to RetryOnFailure

chrome/android/javatests/src/org/chromium/chrome/browser/VideoFullscreenOrientationLockChromeTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/VideoFullscreenOrientationLockChromeTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/VideoFullscreenOrientationLockChromeTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/VideoFullscreenOrientationLockChromeTest.java
index 7d8413b9d2ccc43d91ff917ff73529698efb7891..bf9c14e262a20b4498ea6160e6f3beb76e719194 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/VideoFullscreenOrientationLockChromeTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/VideoFullscreenOrientationLockChromeTest.java
@@ -12,6 +12,7 @@ import android.view.KeyEvent;
 
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.Feature;
+import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.base.test.util.UrlUtils;
 import org.chromium.chrome.browser.download.DownloadUtils;
 import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
@@ -98,6 +99,7 @@ public class VideoFullscreenOrientationLockChromeTest extends ChromeTabbedActivi
 
     @MediumTest
     @Feature({"VideoFullscreenOrientationLock"})
+    @RetryOnFailure // The final waitForContentsFullscreenState(false) is flaky - crbug.com/711005.
     public void testUnlockWithDownloadViewerActivity() throws Exception {
         if (DeviceFormFactor.isTablet(getInstrumentation().getContext())) return;