Roll third_party/SwiftShader 21be09d8e699..4fd7fccd6db5 (4 commits)
Roll third_party/SwiftShader 21be09d8e699..4fd7fccd6db5 (4 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/21be09d8e699..4fd7fccd6db5

git log 21be09d8e699..4fd7fccd6db5 --date=short --first-parent --format='%ad %ae %s'
2019-12-18 chrisforbes@google.com Regres: Roll deqp forward to latest 1.1.6
2019-12-18 sugoi@google.com Allow 32F texture to use linear filtering
2019-12-18 capn@google.com Remove sw::Vector, Point, and Matrix
2019-12-18 swiftshader.regress@gmail.com Regres: Update test lists @ 21be09d8

Created with:
  gclient setdep -r third_party/SwiftShader@4fd7fccd6db5

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 7e492b4f1c8458024932de3ba475cbf015424c30@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: 7e492b4f1c8458024932de3ba475cbf015424c30@google.com
Change-Id: I496b3ce51d50ec10f72ccc523027dff7c77a135e
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1974922
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