flutter/engine@a6a6fd1...83b9df9

2020-09-30 renyou@google.com Revert "Use dispatchKeyEventPreIme, and handle keys sent to InputConnection.sendKeyEvent on Android (#21163)" (flutter/engine#21513)
2020-09-30 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from _ABSfRa7C... to sDtTSnOFx... (flutter/engine#21511)
2020-09-30 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from tuXjGvikz... to aO19K7Ut2... (flutter/engine#21509)
2020-09-30 skia-flutter-autoroll@skia.org Roll Skia from 8a1ed2a97bf4 to a87c5076a876 (2 revisions) (flutter/engine#21508)
2020-09-30 skia-flutter-autoroll@skia.org Roll Skia from f201af8b00e8 to 8a1ed2a97bf4 (1 revision) (flutter/engine#21507)
2020-09-30 skia-flutter-autoroll@skia.org Roll Dart SDK from 2a4169b3cfab to 0ed6ae6d709e (2 revisions) (flutter/engine#21506)
2020-09-30 skia-flutter-autoroll@skia.org Roll Skia from 4cf00a814f7d to f201af8b00e8 (2 revisions) (flutter/engine#21505)
2020-09-30 skia-flutter-autoroll@skia.org Roll Skia from 9ecb3abfdfe8 to 4cf00a814f7d (1 revision) (flutter/engine#21503)
2020-09-30 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 4UZwprAK4... to _ABSfRa7C... (flutter/engine#21502)
2020-09-29 skia-flutter-autoroll@skia.org Roll Skia from 0b0fb4d50b75 to 9ecb3abfdfe8 (12 revisions) (flutter/engine#21500)
2020-09-29 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from iiCa4hab1... to tuXjGvikz... (flutter/engine#21492)
2020-09-29 felipearchondo@google.com [fuchsia] fix typo (flutter/engine#21488)
2020-09-29 gspencergoog@users.noreply.github.com Use dispatchKeyEventPreIme, and handle keys sent to InputConnection.sendKeyEvent on Android (flutter/engine#21163)
2020-09-29 skia-flutter-autoroll@skia.org Roll Dart SDK from 4ea46a8b10a1 to 2a4169b3cfab (1 revision) (flutter/engine#21489)
2020-09-29 skia-flutter-autoroll@skia.org Roll Skia from 4b6f37d90277 to 0b0fb4d50b75 (2 revisions) (flutter/engine#21487)
2020-09-29 yjbanov@google.com fix EnginePicture.toImage; implement rawRgba toByteData; add test (flutter/engine#21370)
2020-09-29 skia-flutter-autoroll@skia.org Roll Skia from c73bff39bd21 to 4b6f37d90277 (1 revision) (flutter/engine#21485)
2020-09-29 64749873+lucasradaelli@users.noreply.github.com [fuchsia][a11y] Don't populate hidden state. (flutter/engine#21484)

Also rolling transitive DEPS:
fuchsia/sdk/core/linux-amd64 from 4UZwprAK4c7B to sDtTSnOFx2Wk
fuchsia/sdk/core/mac-amd64 from iiCa4hab1cXy to aO19K7Ut2ohA

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 kaushikiska@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/+doc/master/autoroll/README.md