Roll src/third_party/skia dd05440..2894d13 (33 commits) (flutter#8220)

https://skia.googlesource.com/skia.git/%2Blog/dd0544078d05..2894d13a0d9b

git log dd05440..2894d13 --date=short --no-merges --format=%ad %ae %s
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-19 [email protected] Roll third_party/externals/swiftshader 2dc0303..f256465 (3 commits)
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-19 [email protected] Documentation: notes on example fiddles
2019-03-19 [email protected] Roll third_party/externals/angle2 9b050f8..df35e38 (2 commits)
2019-03-19 [email protected] Reland "Add small offset to t in GrLinearGradientLayout."
2019-03-19 [email protected] [skottie] Turn on AA for solid layers
2019-03-19 [email protected] Roll third_party/externals/swiftshader 0e71241..2dc0303 (1 commits)
2019-03-19 [email protected] Revert "more relaxed precision decorations for SPIR-V output"
2019-03-19 [email protected] Docs: fix more case-sensitive names
2019-03-19 [email protected] [skottie] Initial camera support
2019-03-19 [email protected] Respect strict constraint in drawEdgeAAImageSet
2019-03-19 [email protected] Don't directly map vertex/index buffers on qualcomm vulkan.
2019-03-19 [email protected] Docs: rename examples files to match names
2019-03-19 [email protected] Add macro to decide GrGLStandard
2019-03-19 [email protected] Add SK_API to ImageSetEntry
2019-03-08 [email protected] Add planet emoji font.
2019-03-19 [email protected] regen from .fp files after .clang-format change
2019-03-19 [email protected] try 2 threads on n7/np
2019-03-19 [email protected] Roll ../src 69be71e10036..ca0130108117 (351 commits)
2019-03-18 [email protected] more relaxed precision decorations for SPIR-V output
2019-03-19 [email protected] Roll third_party/externals/swiftshader 7cdf79c..0e71241 (1 commits)
2019-03-18 [email protected] tweak .clang-format
2019-03-19 [email protected] Roll third_party/externals/swiftshader 24cb99d..7cdf79c (3 commits)
2019-03-19 [email protected] Roll third_party/externals/swiftshader b8c6393..24cb99d (1 commits)
2019-03-19 [email protected] Reland "Reland "Update SkCanvas' experimental SkiaRenderer API""
2019-03-19 [email protected] Roll third_party/externals/swiftshader 289a576..b8c6393 (1 commits)
2019-03-18 [email protected] Have DM's "--pr ~*" processing start from the default list of path renderers
2019-03-19 [email protected] Roll third_party/externals/angle2 eb98642..9b050f8 (1 commits)
2019-03-19 [email protected] Roll third_party/externals/swiftshader bbf5cf1..289a576 (1 commits)
2019-03-19 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-18 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-03-19 [email protected] Update go_deps asset

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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 ([email protected]), and stop
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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': 'dd0544078d058e68cf91404745b493d7d5a184d0',
+  'skia_revision': '2894d13a0d9b133587760f50c6026d536f869c29',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the