Enable hole-punching in Android by default.

android_webview/javatests/src/org/chromium/android_webview/test/ExternalVideoSurfaceContainerTest.java

Index: android_webview/javatests/src/org/chromium/android_webview/test/ExternalVideoSurfaceContainerTest.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/ExternalVideoSurfaceContainerTest.java b/android_webview/javatests/src/org/chromium/android_webview/test/ExternalVideoSurfaceContainerTest.java
index e4afe7cd7a9e20a05a9910b9e5ee9729c7ac88af..b16d8605428674b691cf54e6f33b7ea497420b0f 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/ExternalVideoSurfaceContainerTest.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/ExternalVideoSurfaceContainerTest.java
@@ -10,7 +10,6 @@ import android.test.suitebuilder.annotation.SmallTest;
 import org.chromium.android_webview.ExternalVideoSurfaceContainer;
 import org.chromium.android_webview.test.util.VideoTestUtil;
 import org.chromium.base.CommandLine;
-import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.test.util.CallbackHelper;
@@ -98,12 +97,8 @@ public class ExternalVideoSurfaceContainerTest extends AwTestBase {
         });
     }
 
-    /*
     @SmallTest
     @Feature({"AndroidWebView"})
-    TODO(ycheo): Enable this after turing on the flag 'video_hole=1'.
-    */
-    @DisabledTest
     public void testEnableVideoOverlayForEmbeddedVideo() throws Throwable {
         setUpMockExternalVideoSurfaceContainer();