Roll third_party/externals/swiftshader 11cb891a01a2..b766e5e7fbf4 (1 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/11cb891a01a2..b766e5e7fbf4

git log 11cb891a01a2..b766e5e7fbf4 --date=short --first-parent --format='%ad %ae %s'
2020-01-21 sugoi@google.com Support more 10_10_10_2 formats as vertex attributes

Created with:
  gclient setdep -r third_party/externals/swiftshader@b766e5e7fbf4

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 benjaminwagner@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: benjaminwagner@google.com
Change-Id: I913977e7957ee1148e3f7c63c904eb5bdce66fca
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/265704
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