Reason for revert:
Breaks compile on buildbots.
Original issue's description:
> Don't reinit encoder when rotation changes.
>
> TESTED=By rotating phone in AppRTCMobile.
> BUG=webrtc:7535
>
> Review-Url: https://codereview.webrtc.org/2853463004
> Cr-Commit-Position: refs/heads/master@{#17985}
> Committed: 70e39e159e
TBR=magjed@webrtc.org,asapersson@webrtc.org,perkj@webrtc.org,sprang@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:7535
Review-Url: https://codereview.webrtc.org/2861633003
Cr-Commit-Position: refs/heads/master@{#17987}
Name: WebRTC URL: http://www.webrtc.org Version: 90 License: BSD License File: LICENSE Description: WebRTC provides real time voice and video processing functionality to enable the implementation of PeerConnection/MediaStream. Third party code used in this project is described in the file LICENSE_THIRD_PARTY.