Roll third_party/externals/swiftshader 31edef751a8d..9da287fd0264 (6 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/31edef751a8d..9da287fd0264

git log 31edef751a8d..9da287fd0264 --date=short --no-merges --format='%ad %ae %s'
2019-11-11 timvp@google.com Output Swiftshader version to logcat
2019-11-11 chrisforbes@google.com Allow depth/stencil attachment to be VK_ATTACHMENT_UNUSED in clear
2019-11-11 swiftshader.regress@gmail.com Regres: Update test lists @ 414f99e0
2019-11-11 chrisforbes@google.com Relax descriptor set index assert at descriptor point of definition
2019-11-11 sugoi@google.com Avoid sync issues by removing global android swapchain map
2019-11-11 bclayton@google.com Regres: Check out the change before attempting to read files from it.

Created with:
  gclient setdep -r third_party/externals/swiftshader@9da287fd0264

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-skia-autoroll
Please CC halcanary@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=skia.primary:Test-Debian9-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
TBR=halcanary@google.com
Change-Id: Ic144c6bb92d9b45059fce780fefc8318faed788d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/254121
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed