Roll third_party/externals/swiftshader b2407dd746de..102fd19c65f4 (4 commits)
Roll third_party/externals/swiftshader b2407dd746de..102fd19c65f4 (4 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/b2407dd746de..102fd19c65f4

git log b2407dd746de..102fd19c65f4 --date=short --no-merges --format='%ad %ae %s'
2019-11-14 amaiorano@google.com PixelRoutine: const-qualify reference parameters
2019-11-14 swiftshader.regress@gmail.com Regres: Update test lists @ b2407dd7
2019-11-14 capn@google.com Rasterize 'Bresenham' line segments as parallelograms
2019-11-14 sugoi@google.com Negative baseVertex support

Created with:
  gclient setdep -r third_party/externals/swiftshader@102fd19c65f4

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 halcanary@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=halcanary@google.com
Change-Id: I28a67cc7ffd5828ee2f838e189d35f5334fa5333
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/254825
Reviewed-by: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>

HalCanary/skia-hc,HalCanary/skia-hc,aosp-mirror/platform_external_skia,google/skia,google/skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,HalCanary/skia-hc,aosp-mirror/platform_external_skia,HalCanary/skia-hc,google/skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,google/skia,google/skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,google/skia,google/skia,google/skia,aosp-mirror/platform_external_skia