Roll third_party/SwiftShader b766e5e7fbf4..c514ab001bb0 (8 commits)
Roll third_party/SwiftShader b766e5e7fbf4..c514ab001bb0 (8 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/b766e5e7fbf4..c514ab001bb0

git log b766e5e7fbf4..c514ab001bb0 --date=short --first-parent --format='%ad %ae %s'
2020-01-23 capn@google.com Evaluate interpolants at pixel center when multisampling disabled
2020-01-23 capn@google.com Use pixel centers for non-multisampled rasterization
2020-01-22 sugoi@google.com Improve 565 and 5551 precision
2020-01-22 bclayton@google.com CMake: Make the use of endif() / endif(EXPR) consistent
2020-01-22 bclayton@google.com Vulkan debugger: Don't wait for debugger by default.
2020-01-22 bclayton@google.com CMakeLists: Allow overriding of building cppdap
2020-01-22 bclayton@google.com CMakeLists: Only expose options if they're not set as vars
2020-01-22 capn@google.com Don't use VK_TRUE comparisons

Created with:
  gclient setdep -r third_party/SwiftShader@c514ab001bb0

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 c7814369a8d3d5671c484acc7b3215f1bf4221be@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: c7814369a8d3d5671c484acc7b3215f1bf4221be@google.com
Change-Id: I67f196099db31fb4b81cfb9026b7dd74b98e0310
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2016467
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