* Allow for customizing Snackbar's content TextStyle in its theme

* Address PR feedback

* Fix analyzer issues

* Address more PR feedback

* fix multiroot builds

* remove shout

* add basic test

* Update web_compilation_delegate.dart

* Address review feedback

* Update multiroot_asset_reader_test.dart

* Update multiroot_asset_reader_test.dart

* remove unpassable test

* fix for windows

* facepalm

https://github.com/flutter/engine/compare/f3761ba8d01f...0f9e297ad640

git log f3761ba8d01fc6213db44b702c3c38bfdc5c887a..0f9e297ad6400ef449df9ea7cc768f3e47b1a842 --no-merges --oneline
0f9e297ad Support image filter on paint (flutter/engine#9508)
f3ef1bd97 Roll fuchsia/sdk/core/mac-amd64 from ZZsO1TTl-976ngr5N8h6rRvXTbMO_3qyKDpbeOhE0dwC to C8DMr5XY-F09ZBhT0lbvxOm5MtX3NMmFPKBO6fm40jEC (flutter/engine#9516)

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https://github.com/flutter/engine/compare/8591bd32e6b6...f3761ba8d01f

git log 8591bd32e6b6cac4fe4e7487c3babdb907f459a3..f3761ba8d01fc6213db44b702c3c38bfdc5c887a --no-merges --oneline
f3761ba8d Roll fuchsia/sdk/core/mac-amd64 from pWygawI3vBzP9dYloEvKka8r1p0NpLLZzZQ-yMYI1UIC to ZZsO1TTl-976ngr5N8h6rRvXTbMO_3qyKDpbeOhE0dwC (flutter/engine#9510)
a83fe3e56 Roll Fuchsia SDK to latest (flutter/engine#9509)
63c2c3316 Improve caching limits for Skia (flutter/engine#9503)
8876f6e4b Revert Skia version to d8f79a27b06b5bce7a27f89ce2d43d39f8c058dc (flutter/engine#9507)

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8591bd32e Handle ambiguous directionality of final trailing whitespace in mixed bidi text (flutter/engine#9489) (#35148)


https://github.com/flutter/engine/compare/3aff2e3556d2...8591bd32e6b6

git log 3aff2e3556d24851e6c939e1daa4b733090e6a9f..8591bd32e6b6cac4fe4e7487c3babdb907f459a3 --no-merges --oneline
8591bd32e Handle ambiguous directionality of final trailing whitespace in mixed bidi text (flutter/engine#9489)

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https://github.com/dart-lang/sdk/issues/36900

3aff2e355 [android] External textures must be rescaled to fill the canvas (flutter/engine#9501) (#35146)


https://github.com/flutter/engine/compare/238fc0f9f342...3aff2e3556d2

git log 238fc0f9f3423f3d64081d30f43ac45e857d4bd1..3aff2e3556d24851e6c939e1daa4b733090e6a9f --no-merges --oneline
3aff2e355 [android] External textures must be rescaled to fill the canvas (flutter/engine#9501)

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Follow-on change to https://github.com/flutter/flutter/pull/34863 (see that change
for context), whereby we ensure that we're properly dealing in `Uint8List`.

These necessary changes would have been caught by disabling implicit casts
in our analysis options.

dart-lang/sdk#36900
https://github.com/flutter/flutter/issues/13815

https://github.com/flutter/engine/compare/3f4f606105a8...238fc0f9f342

git log 3f4f606105a8f6217cfbe08e193aa9a54b19dbef..238fc0f9f3423f3d64081d30f43ac45e857d4bd1 --no-merges --oneline
238fc0f9f Roll src/third_party/skia 9dbbf887cee1..9acfb33ad8c6 (5 commits) (flutter/engine#9505)
e4ad3a2dc Roll src/third_party/skia 2c1662e24da7..9dbbf887cee1 (6 commits) (flutter/engine#9502)
d85599f03 Roll src/third_party/skia 4f35817f3c91..2c1662e24da7 (3 commits) (flutter/engine#9500)
9190a2284 Roll src/third_party/skia a7016ae7f03d..4f35817f3c91 (2 commits) (flutter/engine#9499)
2c8255f63 Roll src/third_party/skia 01cb2a422884..a7016ae7f03d (5 commits) (flutter/engine#9497)
da82361da Purge caches on low memory on iOS (flutter/engine#9491)
3122ecc62 Roll src/third_party/skia 0c4fbf1bbb93..01cb2a422884 (2 commits) (flutter/engine#9496)
2f1d4f03b fix build breakage on PlatformViews.mm (flutter/engine#9495)
1ab99fb35 fix a bug where the platform view's transform is not reset before set frame (flutter/engine#9490)
aa9b3a180 Reland "IOS Platform view transform/clipping (#9075)" and fix the breakage. (flutter/engine#9483)
d90573a9d Roll src/third_party/skia 69881fb0b5fb..0c4fbf1bbb93 (5 commits) (flutter/engine#9487)

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Shard tool_tests

Also update the comments since we don't return Future<FlutterProject>
anymore.

* WIP

* Added tests and updated SafeArea implementation.

* Analyzer nits

* Review feedback

* Updated for SnackBar and PersistentFooterButton cases, added tests to check other potential spots.

* doc addition for SafeArea

* Typos

This allows us to override the behavior internally.

* Add generated Icon diagram to api docs

https://github.com/flutter/engine/compare/107fe823431a...3f4f606105a8

git log 107fe823431a64302b63179ad5147e592d33a17f..3f4f606105a8f6217cfbe08e193aa9a54b19dbef --no-merges --oneline
3f4f60610 Simplify loading of app bundles on Android (flutter/engine#9360)

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* Add emulatorId to Android and iOS emulator devices

* Update docs

* Review tweaks

* Add tests for AndroidConsole for getting avd names

* Remove unused import

* Remove duplicated header

* Fix imports

https://github.com/flutter/engine/compare/ae8e6d9f4699...107fe823431a

git log ae8e6d9f46990b9585dc1fb5b8aabe491c08aaf3..107fe823431a64302b63179ad5147e592d33a17f --no-merges --oneline
107fe8234 Add --observatory-host switch (flutter/engine#9485)
20a76ded0 Roll src/third_party/skia ebbc82c02471..69881fb0b5fb (11 commits) (flutter/engine#9479)
00d929f7f Revert "IOS Platform view transform/clipping (#9075)" (flutter/engine#9480)
339001922 fix NPE when a touch event is sent to an unknown Android platform view (flutter/engine#9476)
ebb5b909f IOS Platform view transform/clipping (flutter/engine#9075)
13145e90c ios-unit-tests: Started using rsync instead of cp -R to copy frameworks. (flutter/engine#9471)

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https://github.com/flutter/engine/compare/50b93f86beb0...ae8e6d9f4699

git log 50b93f86beb07189344d26358e7fc73b601ddc6f..ae8e6d9f46990b9585dc1fb5b8aabe491c08aaf3 --no-merges --oneline
ae8e6d9f4 Removed unused imports in new embedding. (flutter/engine#9463)

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https://github.com/flutter/engine/compare/e29a1002888f...50b93f86beb0

git log e29a1002888f4d0a405c45d64a288eb472ce93df..50b93f86beb07189344d26358e7fc73b601ddc6f --no-merges --oneline
50b93f86b Roll src/third_party/skia e2439cc929f9..ebbc82c02471 (8 commits) (flutter/engine#9472)
2a7a355f1 Fixed logLevel filter bug so that filter now works as expected. (flutter/engine#9460)
f76d664e5 Test cleanup geometry_test.dart  (flutter/engine#9458)

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https://github.com/flutter/engine/compare/b7dd1cdce95a...e29a1002888f

git log b7dd1cdce95aa5c097ee4f80fb65204e90a2e280..e29a1002888f4d0a405c45d64a288eb472ce93df --no-merges --oneline
e29a10028 Reland Update harfbuzz to 2.5.2 (flutter/engine#9462)
62acd7a44 Roll src/third_party/skia d8f79a27b06b..e2439cc929f9 (11 commits) (flutter/engine#9465)

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* Add test case for Flutter Issue #27677 as a benchmark.

See https://github.com/flutter/flutter/issues/27677

I got the following results running the test on a Moto E2 which
will help us determine how much we can gain by analyzing the
operations and eliminating unnecessary repaints based on
dirty rectangles/regions.

no blurs       - avg 216.0 fps over 3 samples
blur the group - avg  22.9 fps over 3 samples
blur each txt  - avg   3.4 fps over 3 samples

* Added the new benchmark to be tracked on the dashboard.

https://github.com/flutter/engine/compare/b18847998196...b7dd1cdce95a

git log b18847998196a29fe66cc025ce0f8c9d76db6b20..b7dd1cdce95aa5c097ee4f80fb65204e90a2e280 --no-merges --oneline
b7dd1cdce ios-unit-tests: Fixed ocmock system header search paths. (flutter/engine#9469)
a6e5b10f2 Forgot a usage of a variable in our script. (flutter/engine#9467)
183a76b38 Added shebangs to ios unit test scripts. (flutter/engine#9464)
56954457a Don't hang to a platform view's input connection after it's disposed (flutter/engine#9423)
45ef6c8cf Remove unused/unimplemented shell constructor (flutter/engine#9459)

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* Implement OutlineInputBorder BorderRadius scaling via RRect.scaleRadii

* Add regression test to test for border scaling

https://github.com/flutter/engine/compare/297cbd4b153b...b18847998196

git log 297cbd4b153bde91a821a2a07be36948df10ccbd..b18847998196a29fe66cc025ce0f8c9d76db6b20 --no-merges --oneline
b18847998 Remove variants of ParagraphBuilder::AddText that are not used within the engine (flutter/engine#9403)
a18403797 Send timings of the first frame without batching (flutter/engine#9424)
215096cc2 Roll src/third_party/skia 91032f8cd7ea..d8f79a27b06b (16 commits) (flutter/engine#9457)
52ebf4c42 Made sure that the run_tests script returns the right error code. (flutter/engine#9456)

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Update the flutter_gallery Slider demo by aligning the text field in the first slider, adding range slider examples (including custom range thumbs), and separating single slider and range slider examples with tabs.

Fixes a bug in the Range Sider where the onChangeStart and onChangeEnd were not being called if the initial thumb selection came from a drag (rather than a tap).

https://github.com/flutter/engine/compare/4444c9cb6c9f...297cbd4b153b

git log 4444c9cb6c9f1859c1807cff415cd716bb9612ff..297cbd4b153bde91a821a2a07be36948df10ccbd --no-merges --oneline
297cbd4b1 Convert RRect.scaleRadii to public method (flutter/engine#9452)
14d2954a5 Eliminate unused import in FlutterView (flutter/engine#9439)
ccb5034d5 Generate weak pointers only in the platform thread (flutter/engine#9431)
da29c0473 Roll src/third_party/skia 6ce447a4ec20..91032f8cd7ea (5 commits) (flutter/engine#9455)

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