Weve already gone over the most important announcements from yesterdays Google I/O keynote, but if youre after the small details, the entire presentation can now be streamed on demand. Google broadcasted the event live as it happened, but if you missed out, this is your chance to hear all about Material Design and the visual changes its bringing to Android L. And of course theres plenty of time devoted to Android Wear, Android Auto, and Android TV too. The whole thing clocks in at over two and a half hours, so it may prove a bit much for one sitting. …