Switch to SW video decoder on Android after getting 2 or more
critical errors from HW decoder.

BUG=410730
R=tkchin@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/23819004

git-svn-id: http://webrtc.googlecode.com/svn@7368 4adac7df-926f-26a2-2b94-8c16560cd09d