Roll third_party/externals/swiftshader c8d4d4254ca1..d44d61514749 (4 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/c8d4d4254ca1..d44d61514749

git log c8d4d4254ca1..d44d61514749 --date=short --no-merges --format='%ad %ae %s'
2019-11-25 bclayton@google.com Fix chrome build: Use spaces (not tabs) in .gn files
2019-11-22 chrisforbes@google.com Fix vkGetDescriptorSetLayoutSupport implementation
2019-11-22 srisser@google.com Log unsupported extensions used in pNext structs
2019-11-22 sugoi@google.com Handle new device extension properties

Created with:
  gclient setdep -r third_party/externals/swiftshader@d44d61514749

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 bungeman@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/skia.primary:Test-Debian9-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
Bug: None
Tbr: bungeman@google.com
Change-Id: I1286b5a0bc66a1836901449d339450dec53f7f52
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/256296
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