A new Java utility should help Android developers and designers who need to rapidly prototype application layouts. The appropriately named Android Design Preview mirrors part of your desktop on an Android device over USB -- just select area on your computer screen and it'll show up remotely using the Android Debug Bridge. It's more lightweight than a VNC app and doesn't require a lot of mucking with settings, whether you're coding on Windows, Mac OS X or Linux. In other words, it's perfect for dealing with indecisive project managers who don't know what they want until yo