Roll third_party/SwiftShader b64fbfec4dcd..bbd0694f9ab2 (3 commits)
Roll third_party/SwiftShader b64fbfec4dcd..bbd0694f9ab2 (3 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/b64fbfec4dcd..bbd0694f9ab2

git log b64fbfec4dcd..bbd0694f9ab2 --date=short --first-parent --format='%ad %ae %s'
2019-12-03 chrisforbes@google.com Remove Common/Types.hpp include from SpirvShader
2019-12-03 chrisforbes@google.com Regres: Add pending deqp change to fix bad graphicsfuzz tests
2019-12-03 srisser@google.com Make Vk::Stringify return std::string

Created with:
  gclient setdep -r third_party/SwiftShader@bbd0694f9ab2

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-angle-autoroll
Please CC b6fc25fe0362055230985c05cbfa8adb741ccc0f@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

Bug: None
Tbr: b6fc25fe0362055230985c05cbfa8adb741ccc0f@google.com
Change-Id: Ia5795718520bc2de13a5331fb3471f5d16ba5dbe
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1950025
Reviewed-by: angle-autoroll <09ea9b8bac6cceb6ec3b72e615745c3a1e982ce2@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <09ea9b8bac6cceb6ec3b72e615745c3a1e982ce2@skia-public.iam.gserviceaccount.com>

ppy/angle,ppy/angle,ppy/angle,ppy/angle