升级Android Sdk Tools时遇到Failed to rename directory \tools to \temp\ToolPackage.old01的解决办法

今天升级Android sdk tools 时遇到该错误：

Failed to rename directory D:\android-sdk-windows\tools to D:\android-sdk-windows\temp\ToolPackage.old01
-= Warning ! =-
A folder failed to be renamed or moved. On Windows this typically means that a program is using that folder (for example Windows Explorer.) Please close all running programs that may be locking the directory 'D:\android-sdk-windows\tools' and try again.

试了各种办法，都得不到解决。

后来看到官方论坛里的一个ISSUE，上面说直接把下载好的sdk tools解压出来，然后覆盖原来的tools目录就可以了。

貌似该问题是因为更新的程序用到了tools\lib里面的某些库导致该文件夹被使用。

附该Issue原文链接：

http://code.google.com/p/android/issues/detail?id=21212#c27