Roll third_party/externals/swiftshader 215bc7949b35..27a3d31d7a9d (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/215bc7949b35..27a3d31d7a9d

git log 215bc7949b35..27a3d31d7a9d --date=short --no-merges --format='%ad %ae %s'
2019-11-06 jonahr@google.com Fix issues presenting MetalSurfaces
2019-11-06 swiftshader.regress@gmail.com Regres: Update test lists @ 215bc794

Created with:
  gclient setdep -r third_party/externals/swiftshader@27a3d31d7a9d

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 ethannicholas@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=ethannicholas@google.com
Change-Id: I8b0c630ed7e6a29bb764aa1797ce1f2002ca54f2
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/253301
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