Add configuration and test for extended RTCP reference time reports to new video api.

R=mflodman@webrtc.org, pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/6989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5401 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/rtp_rtcp/source/rtcp_sender.cc

@@ -1778,10 +1778,9 @@ int RTCPSender::PrepareRTCP(const FeedbackState& feedback_state,
       rtcpPacketTypeFlags |= kRtcpTmmbn;
       _sendTMMBN = false;
   }
-  if (xrSendReceiverReferenceTimeEnabled_ &&
-      (rtcpPacketTypeFlags & kRtcpReport))
+  if (rtcpPacketTypeFlags & kRtcpReport)
   {
-      if (!_sending)
+      if (xrSendReceiverReferenceTimeEnabled_ && !_sending)
       {
           rtcpPacketTypeFlags |= kRtcpXrReceiverReferenceTime;
       }