ref: 86d51dfbf5eb3904c92098edb06fb68f672ee9f7
parent: 469986f96399cbd2cf929e7e6c418196184e7ffa
author: James Zern <jzern@google.com>
date: Mon Jun 26 18:21:32 EDT 2017
vp9_dx: rm worker thread creation creating a thread associated with the sole worker isn't necessary when only execute() is being used after the removal of frame_parallel_decode. BUG=webm:1395 Change-Id: I2255ce72607321e5708bc82a632dc6825d4eff5c