phonegap-facebook-plugin/platforms/android/FacebookLib/custom_rules.xml

The official Facebook plugin for Apache Cordova/PhoneGap

<?xml version="1.0" encoding="UTF-8"?>
<project>
    <target name="-post-compile">
        <copy todir="bin">
            <fileset dir="ant-build"/>
        </copy>
    </target>
</project>