docs: udpate JS bundle URL for dac devsite

<script src="<?cs if:android.whichdoc != 'online' ?>http:<?cs /if ?>//www.google.com/jsapi" type="text/javascript"></script>

<?cs

if:devsite

  ?><script src="//android-dot-devsite.googleplex.com/_static/js/android_3p-bundle.js" type="text/javascript"></script><?cs

  ?><script src="<?cs var:toroot ?>_static/js/android_3p-bundle.js" type="text/javascript"></script><?cs

else

  ?><script src="<?cs var:toroot ?>assets/js/android_3p-bundle.js" type="text/javascript"></script><?cs

/if ?>