Roll engine e7f9ef6aa0b9..cd920398e40e (29 commits) (#39854)

git@github.com:flutter/engine.git/compare/e7f9ef6aa0b9...cd920398e40e

git log e7f9ef6aa0b9..cd920398e40e --no-merges --oneline
2019-09-04 mouad.debbar@gmail.com Handle new navigation platform messages (flutter/engine#11880)
2019-09-04 shihaohong@google.com Android 10+ View.getSystemGestureExclusionRects (flutter/engine#11451)
2019-09-04 aukwat@gmail.com Fix deleting Thai vowel bug on iOS (skip string range sanitization) (flutter/engine#11807)
2019-09-04 bkonyi@google.com Roll src/third_party/dart 4bd13a74d9..c3db2e3ee0 (4 commits)
2019-09-04 skia-flutter-autoroll@skia.org Roll src/third_party/skia c2dc9c864844..e7366841663b (2 commits) (flutter/engine#11878)
2019-09-04 iska.kaushik@gmail.com [flutter_runner] Add common libs to the test far (flutter/engine#11875)
2019-09-04 bkonyi@google.com Roll src/third_party/dart fd27e795ba..4bd13a74d9 (5 commits)
2019-09-04 aam@google.com Provide dart vm initalize isolate callback so that children isolates belong to parent's isolate group. (flutter/engine#9888)
2019-09-04 stuartmorgan@google.com Add style guide and formatting information (flutter/engine#11669)
2019-09-04 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from BR_-u... to LKWtB... (flutter/engine#11874)
2019-09-04 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/mac-amd64 from dRCdb... to m-hNV... (flutter/engine#11873)
2019-09-04 skia-flutter-autoroll@skia.org Roll src/third_party/skia 77743492418e..c2dc9c864844 (22 commits) (flutter/engine#11872)
2019-09-04 iska.kaushik@gmail.com Add a sample unit test target to flutter runner (flutter/engine#11847)
2019-09-04 iska.kaushik@gmail.com Support building standalone far packages with autogenerating manigests (flutter/engine#11849)
2019-09-04 bkonyi@google.com Roll src/third_party/dart 622747502e..fd27e795ba (9 commits)
2019-09-04 bkonyi@google.com Roll src/third_party/dart 54fdd559d8..622747502e (1 commits)
2019-09-04 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from KqidK... to BR_-u... (flutter/engine#11845)
2019-09-04 skia-flutter-autoroll@skia.org Roll src/third_party/skia 452ce044f0db..77743492418e (12 commits) (flutter/engine#11837)
2019-09-04 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/mac-amd64 from -kKi5... to dRCdb... (flutter/engine#11840)
2019-09-04 bkonyi@google.com Roll src/third_party/dart 36985859e4..54fdd559d8 (65 commits)
2019-09-04 chinmaygarde@google.com Minor tweaks to the Doxygen theme. (flutter/engine#11576)
2019-09-04 matthew-carroll@users.noreply.github.com Updated API usage in scenario app by deleting unnecessary method. (flutter/engine#11844)
2019-09-03 garyq@google.com Fix RTL justification alignment with newline (flutter/engine#11842)
2019-09-03 matthew-carroll@users.noreply.github.com Rename first frame method and notify FlutterActivity when full drawn (#38714 #36796). (flutter/engine#11357)
2019-09-03 skia-flutter-autoroll@skia.org Roll src/third_party/skia 8050d94ae227..452ce044f0db (1 commits) (flutter/engine#11834)
2019-09-03 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from a8wlq... to KqidK... (flutter/engine#11833)
2019-09-03 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/mac-amd64 from pVy4h... to -kKi5... (flutter/engine#11832)
2019-09-03 skia-flutter-autoroll@skia.org Roll src/third_party/skia 033c4014b788..8050d94ae227 (2 commits) (flutter/engine#11831)
2019-09-03 skia-flutter-autoroll@skia.org Roll src/third_party/skia 94c66475560d..033c4014b788 (2 commits) (flutter/engine#11830)


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

-e7f9ef6aa0b9040102d1b3c9a6ae934df746ef94
+cd920398e40ee6b1427e912423cd00ef095c62a3