Roll engine 9832bc8f2eb2..762294cf2d29 (8 commits) (#45144)

git@github.com:flutter/engine.git/compare/9832bc8f2eb2...762294cf2d29

git log 9832bc8f2eb2..762294cf2d29 --no-merges --oneline
2019-11-19 tvolkert@users.noreply.github.com Revert "RendererContextSwitch guard flutter's gl context rework. (#13812)" (flutter/engine#13906)
2019-11-19 bkonyi@google.com Roll src/third_party/dart 06e6554d2e..830f291773 (22 commits) (flutter/engine#13905)
2019-11-19 ferhat@gmail.com Fix withIn matcher distance function lookup (flutter/engine#13904)
2019-11-18 bkonyi@google.com Roll src/third_party/dart aceeba7567..06e6554d2e (2 commits) (flutter/engine#13900)
2019-11-18 ferhat@gmail.com Fix single line bitmap canvas text shadow (flutter/engine#13901)
2019-11-18 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from dhwMR... to kSMF7... (flutter/engine#13899)
2019-11-18 bkonyi@google.com Roll src/third_party/dart 7b67303318..aceeba7567 (8 commits)
2019-11-18 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/mac-amd64 from 6ZRA_... to Oo6E_... (flutter/engine#13894)


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 jimgraham@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

-9832bc8f2eb2c6c40cf62c2734699fcc048521ef
+762294cf2d29ca34bb324c8a55812f0e7d5a82b3