Allow Android apps to set video renderer scaling type. Also add type check for EGL context object received from apps and switch to byte buffer video decoding if EGL context is incorrect BUG=3851 R=tkchin@webrtc.org Review URL: https://webrtc-codereview.appspot.com/25669004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@7326 4adac7df-926f-26a2-2b94-8c16560cd09d