Roll engine d35a4b300877..5858519139c2 (3 commits) (#48139)

https://github.com/flutter/engine/compare/d35a4b300877...5858519139c2

git log d35a4b300877..5858519139c2 --first-parent --oneline
2020-01-03 skia-flutter-autoroll@skia.org Roll src/third_party/dart 05e70d5b38cb..2f57602411b3 (44 commits) (flutter/engine#15100)
2020-01-03 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from AVtRQ... to MwGkB... (flutter/engine#15110)
2020-01-03 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/mac-amd64 from zkzoZ... to Vk6uT... (flutter/engine#15104)


If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC franciscojma@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

bin/internal/engine.version

-d35a4b3008773947930eec15649464ddd030acb4
+5858519139c22484aaff1cf5b26bdf7951259344