PeerConnection::SetBitrate now also configures media transport.

(so far SetBitrate did not do anything for media transport)

Bug: webrtc:9719
Change-Id: I48e669341ffe6c9e4697ff9146c314be7796a209
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/127980
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Bjorn Mellem <mellem@webrtc.org>
Commit-Queue: Peter Slatala <psla@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27169}
diff --git a/call/call.h b/call/call.h
index 3eceb49..90977da 100644
--- a/call/call.h
+++ b/call/call.h
@@ -124,6 +124,9 @@
 
   virtual void OnSentPacket(const rtc::SentPacket& sent_packet) = 0;
 
+  virtual void SetClientBitratePreferences(
+      const BitrateSettings& preferences) = 0;
+
   virtual ~Call() {}
 };