Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/customtabs/CustomTabTabPersistenceIntegrationTest.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.customtabs;
 
-import android.test.suitebuilder.annotation.MediumTest;
+import android.support.test.filters.MediumTest;
 
 import org.chromium.chrome.browser.TabState;
 import org.chromium.chrome.browser.UrlConstants;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 
 import java.io.File;
 import java.util.Locale;
 
@@ skipping 32 matching lines @@
                 String.format(Locale.US, "File, %s, expected to exist: %b", fileName, exists)) {
             @Override
             public boolean isSatisfied() {
                 File file = new File(filePath, fileName);
                 return file.exists() == exists;
             }
         });
     }
 
 }