This fix a potential race where the rotation information of a sent frame does not match the encoded frame. BUG=webrtc:5783 TEST= Run ApprtcDemo on IOs and Android with and without capture to texture and both VP8 and H264. R=magjed@webrtc.org, pbos@webrtc.org, tkchin@webrtc.org TBR=tkchin_webrtc // For IOS changes. Review URL: https://codereview.webrtc.org/1886113003 . Cr-Commit-Position: refs/heads/master@{#12426}