詳細:http://yuki312.blogspot.jp/2012/06/androidgrant-permission_09.html
AndroidManifest.xml
<provider
android:authorities="yuki.test.provider"
android:name="yuki.test.MyContentProvider"
android:readPermission="yuki.test.signature"
android:grantUriPermissions="false" >
<grant-uri-permission
android:path="/test/hoge/foo/lv5" />
</provider>