Android opengles renderer: add thread sync to swap frame and draw native.

BUG=1616
TEST=Manual Test
R=fischman@webrtc.org, wu@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1738005

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4281 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed