Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninHelperTest.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.browser.signin;
 
 import android.accounts.Account;
+import android.support.test.filters.SmallTest;
 import android.test.InstrumentationTestCase;
-import android.test.suitebuilder.annotation.SmallTest;
 
 import org.chromium.base.test.util.AdvancedMockContext;
 import org.chromium.base.test.util.DisabledTest;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.test.util.browser.signin.MockChangeEventChecker;
 import org.chromium.components.signin.AccountManagerHelper;
 import org.chromium.components.signin.ChromeSigninController;
 import org.chromium.components.signin.test.util.AccountHolder;
 import org.chromium.components.signin.test.util.MockAccountManager;
 
@@ skipping 118 matching lines @@
     }
 
     private String getSignedInAccountName() {
         return ChromeSigninController.get(mContext).getSignedInAccountName();
     }
 
     private String getNewSignedInAccountName() {
         return SigninHelper.getNewSignedInAccountName(mContext);
     }
 }