Reason for revert: Broke webrtc_perf_tests on bots. Original issue's description: > Make overuse estimator one dimensional. > > This drops the payload size difference dimension of the Kalman filter, > which doesn't improve the quality of the estimation when pacing packets > on the send-side. > > R=gaetano.carlucci@gmail.com, mflodman@webrtc.org, terelius@webrtc.org > > Committed: https://crrev.com/06e05a85b9e4def75ed5e6b582c4df842616f25f > Cr-Commit-Position: refs/heads/master@{#10809} TBR=terelius@webrtc.org,mflodman@webrtc.org,gaetano.carlucci@gmail.com NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true Review URL: https://codereview.webrtc.org/1481003002 Cr-Commit-Position: refs/heads/master@{#10816}