[Tizen]Enable Video Hardware Acceleration (VDA) with
wayland backend by libva >0.34.

The Tizen IVI rely on the wayland weston display.
The Html5 H264 video playback will be leveraged by
this HW VAVDA solution.
Merge pull request #150 from zhang-qing/master

[Tizen]Enable Video Hardware Acceleration (VDA)