Replace deprecated Android java test annotations

chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.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.externalnav;
 
 import android.content.IntentFilter;
 import android.content.pm.ActivityInfo;
 import android.content.pm.ResolveInfo;
-import android.test.suitebuilder.annotation.SmallTest;
+import android.support.test.filters.SmallTest;
 
 import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.test.ChromeActivityTestCaseBase;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
 /**
  * Instrumentation tests for {@link ExternalNavigationHandler}.
@@ skipping 103 matching lines @@
                 delegate.isPdfDownload("http://somesampleurldne.com/image.jpg"));
         assertFalse("URL is a text file can be viewed in Chrome",
                 delegate.isPdfDownload("http://somesampleurldne.com/copy.txt"));
     }
 
     @Override
     public void startMainActivity() throws InterruptedException {
         startMainActivityOnBlankPage();
     }
 }