De-flake VideoSendStreamTest.ReconfigureBitratesSetsEncoderBitratesCorrectly

BUG=webrtc:5382
R=pbos@webrtc.org, stefan@webrtc.org

Review URL: https://codereview.webrtc.org/1922483002 .

Cr-Commit-Position: refs/heads/master@{#12547}
diff --git a/webrtc/modules/bitrate_controller/include/bitrate_controller.h b/webrtc/modules/bitrate_controller/include/bitrate_controller.h
index a9c247a..d6cbc02 100644
--- a/webrtc/modules/bitrate_controller/include/bitrate_controller.h
+++ b/webrtc/modules/bitrate_controller/include/bitrate_controller.h
@@ -54,8 +54,13 @@
 
   virtual RtcpBandwidthObserver* CreateRtcpBandwidthObserver() = 0;
 
+  // Deprecated
   virtual void SetStartBitrate(int start_bitrate_bps) = 0;
+  // Deprecated
   virtual void SetMinMaxBitrate(int min_bitrate_bps, int max_bitrate_bps) = 0;
+  virtual void SetBitrates(int start_bitrate_bps,
+                           int min_bitrate_bps,
+                           int max_bitrate_bps) = 0;
 
   virtual void UpdateDelayBasedEstimate(uint32_t bitrate_bps) = 0;