Just upgraded my vWLC to 8.1.102 and now it supports AVC in Virtual Wireless LAN Controller in FlexConnect Mode. The configuration is simple and the graph looks cool!
All you need to do is check this checkbox under your WLAN, this is the FlexConnect enabled WLAN for my home:
At the Monitor > Summary page you can see the top applications statistics:
You can see the detail if you click "View All" with some nice graphs~