Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/multiwindow/MultiWindowUtilsTest.java

 // Copyright 2016 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.chrome.browser.multiwindow;
 
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Build;
-import android.test.suitebuilder.annotation.SmallTest;
+import android.support.test.filters.SmallTest;
 
 import org.chromium.base.ActivityState;
 import org.chromium.base.ApplicationStatus;
 import org.chromium.base.test.util.Feature;
 import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.ChromeTabbedActivity;
 import org.chromium.chrome.browser.ChromeTabbedActivity2;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
@@ skipping 165 matching lines @@
             Activity runningActivity = reference.get();
             if (runningActivity == null) continue;
             if (runningActivity.getClass().equals(ChromeTabbedActivity2.class)) {
                 returnActivity = (ChromeTabbedActivity2) runningActivity;
             }
         }
         assertTrue(returnActivity != null);
         return returnActivity;
     }
 }