Revert of Ignore Camera and Flip bits in CVO when parsing video rotation

webrtc/modules/rtp_rtcp/source/rtp_header_extensions.cc

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 159 matching lines @@
       return true;
     case MediaType::AUDIO:
     case MediaType::DATA:
       return false;
   }
   RTC_NOTREACHED();
   return false;
 }
 
 bool VideoOrientation::Parse(const uint8_t* data, VideoRotation* rotation) {
-  *rotation = ConvertCVOByteToVideoRotation(data[0]);
+  *rotation = ConvertCVOByteToVideoRotation(data[0] & 0x03);
   return true;
 }
 
 bool VideoOrientation::Write(uint8_t* data, VideoRotation rotation) {
   data[0] = ConvertVideoRotationToCVOByte(rotation);
   return true;
 }
 
 bool VideoOrientation::Parse(const uint8_t* data, uint8_t* value) {
   *value = data[0];
   return true;
 }
 
 bool VideoOrientation::Write(uint8_t* data, uint8_t value) {
   data[0] = value;
   return true;
 }
 }  // namespace webrtc