Replace deprecated Android java test annotations

components/cronet/android/test/javatests/src/org/chromium/net/PkpTest.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.net;
 
-import android.test.suitebuilder.annotation.SmallTest;
+import android.support.test.filters.SmallTest;
 
 import org.json.JSONObject;
 
 import org.chromium.base.test.util.Feature;
 import org.chromium.net.test.util.CertTestUtil;
 
 import java.io.ByteArrayInputStream;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.util.Arrays;
@@ skipping 464 matching lines @@
             if (!shouldThrowNpe) {
                 fail("Null pointer exception was not expected: " + ex.toString());
             }
             return;
         }
         if (shouldThrowNpe) {
             fail("NullPointerException was expected");
         }
     }
 }