Roll src/third_party/swiftshader dd172cc1eef2..856ebf878c71 (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/dd172cc1eef2..856ebf878c71


git log dd172cc1eef2..856ebf878c71 --date=short --no-merges --format='%ad %ae %s'
2019-03-09 chrisforbes@google.com Add support for OpVectorTimesScalar
2019-03-09 chrisforbes@google.com Add support for more ExtInst instructions


Created with:
  gclient setdep -r src/third_party/swiftshader@856ebf878c71

The AutoRoll server is located here: https://autoroll.skia.org/r/swiftshader-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG=chromium:b/126873455,chromium:b/127804400
TBR=swiftshader-team+autoroll@chromium.org

Change-Id: I9c4da5041b6c8f1296faed4268ac573d1346d17e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1513135
Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#639312}
1 file changed