Also lowering the min bitrate for simulations to be able to better capture this issue in the BweFeedbackTest.Choke200kbps30kbps200kbps performance test. BUG=webrtc:6105 NOTRY=true NOPRESUBMIT=true Review-Url: https://codereview.webrtc.org/2201093006 Cr-Commit-Position: refs/heads/master@{#13639}