Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/snackbar/SnackbarTest.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.snackbar;
 
-import android.test.suitebuilder.annotation.MediumTest;
-import android.test.suitebuilder.annotation.SmallTest;
+import android.support.test.filters.MediumTest;
+import android.support.test.filters.SmallTest;
 
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.browser.snackbar.SnackbarManager.SnackbarController;
 import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 
 /**
  * Tests for {@link SnackbarManager}.
@@ skipping 138 matching lines @@
             }
         });
         CriteriaHelper.pollUiThread(new Criteria("Snackbar did not time out") {
             @Override
             public boolean isSatisfied() {
                 return !mManager.isShowing() && mDismissed;
             }
         });
     }
 }