The instructions used to implement it don't deliever
the same results across processors, even on the same
architecture.
Minor diffs on lighting image filter GMs;
this will likely require staged rollout.
Bug: skia:11861
Cq-Include-Trybots: luci.chromium.try:linux-blink-rel
Change-Id: I4c0b0eab221a051f863f4949051f50652466651e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/396723
Commit-Queue: Mike Klein <mtklein@google.com>
Reviewed-by: Mike Reed <reed@google.com>
f0e564f43d