Move JNI annotations to annotations package.

components/cronet/android/test/src/org/chromium/net/CronetTestUtil.java

 // Copyright 2014 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 org.chromium.base.JNINamespace;
+import org.chromium.base.annotations.JNINamespace;
 
 /**
  * Utilities for Cronet testing
  */
 @JNINamespace("cronet")
 public class CronetTestUtil {
     /**
      * Start QUIC server on local host.
      * @return non-zero QUIC server port number on success or 0 if failed.
      */
     public static int startQuicServer() {
         return nativeStartQuicServer();
     }
 
     private static native int nativeStartQuicServer();
 }