Roll third_party/SwiftShader 2430d665d3f2..d25ce8725224 (18 commits)
Roll third_party/SwiftShader 2430d665d3f2..d25ce8725224 (18 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/2430d665d3f2..d25ce8725224

git log 2430d665d3f2..d25ce8725224 --date=short --first-parent --format='%ad %ae %s'
2020-04-17 digit@google.com Fix LLVM-based Arm64 build.
2020-04-16 bclayton@google.com CMakeLists: Enabled more clang warnings.
2020-04-16 bclayton@google.com Device/Blitter: Initialize filter3D fields
2020-04-16 digit@google.com Fuchsia: Add LLVM 10.0 configuration headers.
2020-04-16 amaiorano@google.com CMake: fix PowerVR_Examples build
2020-04-16 amaiorano@google.com Don't fail build if Vulkan headers are different
2020-04-16 amaiorano@google.com CMake: fix add_subdirectory(SwiftShader) when CMAKE_BUILD_TYPE is set in parent project
2020-04-16 amaiorano@google.com CMake: make submodule initialization work for add_subdirectory(SwiftShader)
2020-04-16 amaiorano@google.com CMake: fix add_subdirectory(SwiftShader)
2020-04-16 amaiorano@google.com CMake: use directory variables consistently
2020-04-16 amaiorano@google.com CMake: make root compile options and link libraries private
2020-04-16 bclayton@google.com VkSemaphore: Unlock/Lock the mutex outside the blocking_call.
2020-04-16 bclayton@google.com Regres: Include a better error message when git add fails.
2020-04-16 bclayton@google.com Regres: Avoid dereferencing a nil on process timeout.
2020-04-16 bclayton@google.com Make memoryPageSize() functions thread-safe.
2020-04-16 bclayton@google.com Vulkan: Move SpecializationInfo to own file.
2020-04-16 bclayton@google.com Fix chrome autorollers
2020-04-16 bclayton@google.com Reimplement LRUCache, fold away LRUSnapshotCache, add tests.

Created with:
  gclient setdep -r third_party/SwiftShader@d25ce8725224

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: I2ffd43f61a7258e9bc677ceb99789daea811bdda
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2153675
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