Revert of Disable AwContentsTest#testCreateLoadDestroyManyAtOnce because flaky.

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

Index: android_webview/javatests/src/org/chromium/android_webview/test/AwContentsTest.java
diff --git a/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsTest.java b/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsTest.java
index 0223f1aea320d00f8441a2902955d52299d5fbb7..0350cf619968affe292732765136d4cf7b7f280b 100644
--- a/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsTest.java
+++ b/android_webview/javatests/src/org/chromium/android_webview/test/AwContentsTest.java
@@ -29,7 +29,6 @@
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.base.test.util.CallbackHelper;
 import org.chromium.base.test.util.CommandLineFlags;
-import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.parameter.ParameterizedTest;
 import org.chromium.content.browser.BindingManager;
@@ -91,9 +90,8 @@
         }
     }
 
-    //@LargeTest
-    //@Feature({"AndroidWebView"})
-    @DisabledTest // Flaky, crbug.com/725838.
+    @LargeTest
+    @Feature({"AndroidWebView"})
     public void testCreateLoadDestroyManyAtOnce() throws Throwable {
         AwTestContainerView views[] = new AwTestContainerView[10];