Relanding "Add apk for running content_browsertests"

content/shell/android/javatests/src/org/chromium/content_shell/ContentShellUrlTest.java

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content_shell;
 
 import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.test.util.Feature;
+import org.chromium.content_shell_apk.ContentShellActivity;
 
 /**
  * Example test that just starts the content shell.
  */
 public class ContentShellUrlTest extends ContentShellTestBase {
     // URL used for base tests.
     private static final String URL = "data:text";
 
     @SmallTest
     @Feature({"Main"})
     public void testBaseStartup() throws Exception {
         ContentShellActivity activity = launchContentShellWithUrl(URL);
 
         // Make sure the activity was created as expected.
         assertNotNull(activity);
 
         // Make sure that the URL is set as expected.
         assertEquals(URL, activity.getActiveShell().getContentView().getUrl());
     }
 }