Wire up RTP keep-alive in ortc api.

webrtc/ortc/rtptransportcontrolleradapter.cc

Index: webrtc/ortc/rtptransportcontrolleradapter.cc
diff --git a/webrtc/ortc/rtptransportcontrolleradapter.cc b/webrtc/ortc/rtptransportcontrolleradapter.cc
index 5e0b62112357ba849fec33d5e3428e1e5c235932..ed4521499cc50e26f025b7ba715670b5c83a8fb2 100644
--- a/webrtc/ortc/rtptransportcontrolleradapter.cc
+++ b/webrtc/ortc/rtptransportcontrolleradapter.cc
@@ -252,6 +252,15 @@ RTCError RtpTransportControllerAdapter::SetRtcpParameters(
                        "Failed to apply new RTCP parameters.");
 }
 
+RTCError RtpTransportControllerAdapter::SetRtpTransportParameters(
+    const RtpTransportParameters& parameters) {
+  if (!call_->SetRtpKeepAliveConfig(parameters.keepalive)) {
+    LOG_AND_RETURN_ERROR(RTCErrorType::INTERNAL_ERROR,
+                         "Failed to apply new RTP transport parameters.");
+  }
+  return RTCError::OK();
+}
+
 RTCError RtpTransportControllerAdapter::ValidateAndApplyAudioSenderParameters(
     const RtpParameters& parameters,
     uint32_t* primary_ssrc) {