Move JNI annotations to annotations package.

components/cronet/android/test/src/org/chromium/net/NetworkChangeNotifierUtil.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;
 
 /**
  * Wrapper class that contains utility methods to test network change notifier.
  */
 @JNINamespace("cronet")
 public final class NetworkChangeNotifierUtil {
     public static boolean isTestIPAddressObserverCalled() {
         return nativeIsTestIPAddressObserverCalled();
     }
 
     private static native boolean nativeIsTestIPAddressObserverCalled();
 }