Google has posted some of the events and sessions live of Google I/O 2016. Here is the full schedule of Google I/O 2016 developer event. They added certain new sessions in Google I/O 2016 schedule. Here is the list of all sessions of Google I/O 2016. They also added them on their official website.
Google I/O 2016 Full Sessions :
Above listed all sessions I got from Androidpolice. They shared it from official Google I/O website.