Roll src/third_party/skia 801a9c1..3c957d5 (19 commits) (#8063)

https://skia.googlesource.com/skia.git/%2Blog/801a9c16d81e..3c957d575c58

git log 801a9c1..3c957d5 --date=short --no-merges --format=%ad %ae %s
2019-03-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 2f034a6e32fc..ca7eff86b174 (489 commits)
2019-03-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 2c25b14..76e9bc0 (1 commits)
2019-03-06 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-03-06 fmalita@chromium.org Make SkCubicMap immutable
2019-03-06 brianosman@google.com Particle cleanup: IWYU
2019-03-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 9584fe4..2c25b14 (1 commits)
2019-03-06 brianosman@google.com SkReflected - avoid double registration, auto register base types, etc.
2019-02-28 fmalita@chromium.org Make SkCubicMap public
2019-03-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 4c84dbd..9584fe4 (1 commits)
2019-03-06 jvanverth@google.com Another stab at MTLRenderCommandEncoder memory leak.
2019-03-06 mtklein@google.com encode F16Norm as rec2020
2019-03-06 reed@google.com change gradients4f to use srgb
2019-03-06 herb@google.com Fix: set SDFT if there is only fallback
2019-03-06 brianosman@google.com Add glf16norm config to DM
2019-03-06 nifong@google.com Interface for passing skp file from JS to WASM
2019-03-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll skia/third_party/skcms 10736f2da359..5e67e5c19fd3 (1 commits)
2019-03-06 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2019-03-06 brianosman@google.com Particles: Cleanup and better UI
2019-03-06 mtklein@google.com rework colorImage testing

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (reed@google.com), and stop
the roller if necessary.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '801a9c16d81ef848eb8c9ae2e94fa458eb7a681c',
+  'skia_revision': '3c957d575c584bdebbdff79129f48b4c5877e158',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 171d209ab2e2243f9d0472e568158ad1
+Signature: 657b81661adc356ab79d52cbc9b249f4
 
 UNUSED LICENSES:
 
@@ -1575,6 +1575,7 @@ FILE: ../../../third_party/skia/include/c/sk_imageinfo.h
 FILE: ../../../third_party/skia/include/core/SkCanvasVirtualEnforcer.h
 FILE: ../../../third_party/skia/include/core/SkContourMeasure.h
 FILE: ../../../third_party/skia/include/core/SkCoverageMode.h
+FILE: ../../../third_party/skia/include/core/SkCubicMap.h
 FILE: ../../../third_party/skia/include/core/SkFontMetrics.h
 FILE: ../../../third_party/skia/include/core/SkFontParameters.h
 FILE: ../../../third_party/skia/include/core/SkFontTypes.h
@@ -1686,7 +1687,6 @@ FILE: ../../../third_party/skia/src/core/SkColorSpaceXformSteps.h
 FILE: ../../../third_party/skia/src/core/SkContourMeasure.cpp
 FILE: ../../../third_party/skia/src/core/SkCoverageModePriv.h
 FILE: ../../../third_party/skia/src/core/SkCubicMap.cpp
-FILE: ../../../third_party/skia/src/core/SkCubicMap.h
 FILE: ../../../third_party/skia/src/core/SkDeferredDisplayList.cpp
 FILE: ../../../third_party/skia/src/core/SkDeferredDisplayListPriv.h
 FILE: ../../../third_party/skia/src/core/SkDraw_text.cpp
@@ -2112,12 +2112,12 @@ FILE: ../../../third_party/skia/experimental/docs/svgbaseddoc.htm
 FILE: ../../../third_party/skia/experimental/docs/utilities.js
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/cpu.js
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/debugger/index.html
+FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/debugger/sample.skp
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/externs.js
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/fonts/NotoMono-Regular.ttf
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/karma.conf.js
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/package.json
 FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/ready.js
-FILE: ../../../third_party/skia/experimental/wasm-skp-debugger/sample.skp
 FILE: ../../../third_party/skia/infra/bots/assets.isolate
 FILE: ../../../third_party/skia/infra/bots/assets/android_ndk_darwin/VERSION
 FILE: ../../../third_party/skia/infra/bots/assets/android_ndk_linux/VERSION