Revert "Make bandwidth estimator cache friendly."
Revert "Make bandwidth estimator cache friendly."

This reverts commit 60d2944c25d20df125d47affd211df4f2479ba37.

Closes #367
Reopens #324

Change-Id: I4302469a319b30f1ce502554348fd69726a50c58

indiereign/shaka-player,shaka-project/shaka-player,shaka-project/shaka-player,Ross-cz/shaka-player,shaka-project/shaka-player,brightcove/shaka-player,TobbeEdgeware/shaka-player,baconz/shaka-player,TobbeEdgeware/shaka-player,brightcove/shaka-player,TheModMaker/shaka-player,russitto/shaka-player,Ross-cz/shaka-player,tvoli/shaka-player,indiereign/shaka-player,TheModMaker/shaka-player,tvoli/shaka-player,vimond/shaka-player,vimond/shaka-player,shaka-project/shaka-player,brightcove/shaka-player,vimond/shaka-player,tvoli/shaka-player,tvoli/shaka-player,russitto/shaka-player,TobbeEdgeware/shaka-player,baconz/shaka-player,baconz/shaka-player,TheModMaker/shaka-player,russitto/shaka-player,indiereign/shaka-player,Ross-cz/shaka-player,TheModMaker/shaka-player