git@github.com:flutter/engine.git/compare/63873d9f421f...d1692d4cc703

git log 63873d9f421f..d1692d4cc703 --no-merges --oneline
2019-09-17 hterkelsen@users.noreply.github.com Update canvaskit backend (flutter/engine#12318)
2019-09-17 mouad.debbar@gmail.com README for the felt tool (flutter/engine#12323)
2019-09-17 jason-simmons@users.noreply.github.com Fix continuous event polling in the GLFW event loop (flutter/engine#12320)
2019-09-17 15365765+rafern@users.noreply.github.com Tests for #11283 (flutter/engine#12322)
2019-09-17 ditman@gmail.com Improve check to render (or not) a DRRect when inner falls outside of outer on RecordingCanvas (flutter/engine#12229)
2019-09-17 bkonyi@google.com Roll src/third_party/dart dd1969a43a..7505b3a5f0 (39 commits)
2019-09-17 30870216+gaaclarke@users.noreply.github.com Channel buffers (flutter/engine#12167)
2019-09-17 xster@google.com Make iOS FlutterViewController stop sending inactive/pause on app lifecycle events when not visible (flutter/engine#12128)
2019-09-17 stuartmorgan@google.com Adds PluginRegistry to the C++ client wrapper API (flutter/engine#12287)
2019-09-17 liyuqian@google.com Add "type" to getDisplayRefreshRate protocol (flutter/engine#12319)
2019-09-17 mouad.debbar@gmail.com Add a build command to felt (flutter/engine#12303)
2019-09-17 skia-flutter-autoroll@skia.org Roll src/third_party/skia df432d5efb70..d545bfbb94ca (1 commits) (flutter/engine#12316)
2019-09-17 skia-flutter-autoroll@skia.org Roll fuchsia/sdk/core/linux-amd64 from rwf0-... to RRgw-... (flutter/engine#12315)
2019-09-17 skia-flutter-autoroll@skia.org Roll src/third_party/skia f8486f2c5fb6..df432d5efb70 (1 commits) (flutter/engine#12313)
2019-09-17 skia-flutter-autoroll@skia.org Roll src/third_party/skia b47704b0bd34..f8486f2c5fb6 (2 commits) (flutter/engine#12312)
2019-09-16 jason-simmons@users.noreply.github.com Fix the declaration of setSystemGestureExclusionRects to match the PlatformMessageHandler interface (flutter/engine#12306)
2019-09-16 gw280@google.com Manage resource and onscreen contexts using separate IOSGLContext objects (flutter/engine#12277)
2019-09-16 goderbauer@google.com Cleanup in web_ui (flutter/engine#12307)
2019-09-16 30870216+gaaclarke@users.noreply.github.com Made flutter startup faster by allowing initialization to be parallelized (flutter/engine#10182)
2019-09-16 skia-flutter-autoroll@skia.org Roll src/third_party/skia c22498502cda..b47704b0bd34 (16 commits) (flutter/engine#12304)
2019-09-16 jonahwilliams@google.com Include firefox in check to quote font families (flutter/engine#12288)
2019-09-16 bkonyi@google.com Roll src/third_party/dart 7799f424f4..dd1969a43a (2 commits)


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 stuartmorgan@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