message: Fix wrong unit in log in VideoStreamEncoder
  SpatialLayer/SimulcastStream struct returns kilobits/sec for bitrates
  but bps was being logged.
  Cr-Commit-Position: refs/heads/master@{#31065}
diff: @@ -524,9 +524,9 @@ void VideoStreamEncoder::ReconfigureEncoder() {
  log_stream << i << ": " << codec.simulcastStream[i].width << "x"
  << codec.simulcastStream[i].height
  << " fps: " << codec.simulcastStream[i].maxFramerate
  - << " min_bps: " << codec.simulcastStream[i].minBitrate
  - << " target_bps: " << codec.simulcastStream[i].targetBitrate
  - << " max_bps: " << codec.simulcastStream[i].maxBitrate
  + << " min_kbps: " << codec.simulcastStream[i].minBitrate
  + << " target_kbps: " << codec.simulcastStream[i].targetBitrate
  + << " max_kbps: " << codec.simulcastStream[i].maxBitrate
  << " max_fps: " << codec.simulcastStream[i].maxFramerate
  << " max_qp: " << codec.simulcastStream[i].qpMax
  << " num_tl: " << codec.simulcastStream[i].numberOfTemporalLayers
  @@ -540,9 +540,9 @@ void VideoStreamEncoder::ReconfigureEncoder() {
  log_stream << i << ": " << codec.spatialLayers[i].width << "x"
  << codec.spatialLayers[i].height
  << " fps: " << codec.spatialLayers[i].maxFramerate
  - << " min_bps: " << codec.spatialLayers[i].minBitrate
  - << " target_bps: " << codec.spatialLayers[i].targetBitrate
  - << " max_bps: " << codec.spatialLayers[i].maxBitrate
  + << " min_kbps: " << codec.spatialLayers[i].minBitrate
  + << " target_kbps: " << codec.spatialLayers[i].targetBitrate
  + << " max_kbps: " << codec.spatialLayers[i].maxBitrate
  << " max_qp: " << codec.spatialLayers[i].qpMax
  << " num_tl: " << codec.spatialLayers[i].numberOfTemporalLayers
  << " active: "
  