Also refine SSES128Not

Change-Id: Ifb34055ed673e1a0f5842e99b10547b834b0d9d6
Reviewed-on: https://chromium-review.googlesource.com/867520Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Jing Bao <jing.bao@intel.com>
Cr-Commit-Position: refs/heads/master@{#50634}