Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/test/util/ChromeSigninUtilsTest.java

 // Copyright 2015 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.test.util;
 
+import android.support.test.filters.SmallTest;
 import android.test.InstrumentationTestCase;
-import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.test.util.EnormousTest;
 import org.chromium.base.test.util.FlakyTest;
 import org.chromium.base.test.util.Restriction;
 import org.chromium.components.signin.ChromeSigninController;
 
 /**
  * Tests for {@link ChromeSigninUtils}.
  */
 public class ChromeSigninUtilsTest extends InstrumentationTestCase {
@@ skipping 121 matching lines @@
     }
 
     @Override
     protected void tearDown() throws Exception {
         mSigninController.setSignedInAccountName(null);
         mSigninUtil.removeAllFakeAccountsFromOs();
         mSigninUtil.removeAllGoogleAccountsFromOs();
         super.tearDown();
     }
 }