files saved in External Cache do not delete on uninstall
<p><a href="http://developer.android.com/guide/topics/data/data-storage.html#ExternalCache" rel="nofollow">Here</a> is said that files saved on <code>getExternalCacheDir()</code>  will be deleted on uninstall.</p>

<p>I have placed my downloaded files there.
Everything works fine with 3 devices.
But with one Samsung Galaxy S2 with Android 4.0 these files do not delete.
What can be the reason of this?</p>
