Roll src/third_party/swiftshader 90df527f91c3..168bb0dc14f2 (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/90df527f91c3..168bb0dc14f2

git log 90df527f91c3..168bb0dc14f2 --date=short --no-merges --format='%ad %ae %s'
2019-11-14 swiftshader.regress@gmail.com Regres: Update test lists @ b2407dd7
2019-11-14 capn@google.com Rasterize 'Bresenham' line segments as parallelograms

Created with:
  gclient setdep -r src/third_party/swiftshader@168bb0dc14f2

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-chromium-autoroll
Please CC swiftshader-team+autoroll@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_chromium_msan_rel_ng;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=swiftshader-team+autoroll@google.com

Bug: chromium:b/80135519
Change-Id: I19c4d2ae2f9b1399b42732ebdbbdc0e8664da4ce
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1917804Reviewed-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@{#715439}

DEPS

@@ -188,7 +188,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': '90df527f91c348d4af7948acefc1142f8b9468d0',
+  'swiftshader_revision': '168bb0dc14f291ee84244ccfb0f0dec86a46594b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.