Move several annotations to annotations package.

net/android/java/src/org/chromium/net/AndroidNetworkLibrary.java

 // Copyright 2012 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.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.security.KeyChain;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 
 import org.chromium.base.CalledByNative;
-import org.chromium.base.CalledByNativeUnchecked;
+import org.chromium.base.annotations.CalledByNativeUnchecked;
 
 import java.net.NetworkInterface;
 import java.net.SocketException;
 import java.net.URLConnection;
 import java.security.KeyStoreException;
 import java.security.NoSuchAlgorithmException;
 import java.security.cert.CertificateException;
 import java.util.Enumeration;
 
 /**
@@ skipping 169 matching lines @@
      */
     @CalledByNative
     private static String getNetworkOperator(Context context) {
         TelephonyManager telephonyManager =
                 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
         if (telephonyManager == null) return "";
         return telephonyManager.getNetworkOperator();
     }
 
 }