Rate limit the low bandwidth / min bitrate warning to once every 10 seconds.

webrtc/modules/bitrate_controller/bitrate_controller_impl.cc

Index: webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
diff --git a/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc b/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
index 4a045d9d89fb25856291b229e15b57c9b74fa683..8857ee4b4a8ef8b3a73752ca2a871a83c5fdc945 100644
--- a/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
+++ b/webrtc/modules/bitrate_controller/bitrate_controller_impl.cc
@@ -132,7 +132,8 @@ void BitrateControllerImpl::SetReservedBitrate(uint32_t reserved_bitrate_bps) {
 void BitrateControllerImpl::OnReceivedEstimatedBitrate(uint32_t bitrate) {
   {
     rtc::CritScope cs(&critsect_);
-    bandwidth_estimation_.UpdateReceiverEstimate(bitrate);
+    bandwidth_estimation_.UpdateReceiverEstimate(clock_->TimeInMilliseconds(),
+                                                 bitrate);
   }
   MaybeTriggerOnNetworkChanged();
 }