* Add Container fallback to Ink build method

* Add tests for Ink container fallback

* Introduce image loading performance test.

This example reports how long it takes to load images over the network(locally spawned server).

https://github.com/flutter/engine/compare/98487198ba65...e96900df2f27

git log 98487198ba65cc7c4031d1ed3effe1ec915e567a..e96900df2f273920f7da46ae589b859d5a1fccb3 --no-merges --oneline
e96900df2 Roll src/third_party/skia afd2c10c989c..e4c88bb1f848 (1 commits) (flutter/engine#9577)
618b193fb Roll fuchsia/sdk/core/linux-amd64 from hKK9H_q6Wr4qc_LULh6yowFyaqv8Ha-3JsuE05J4tpwC to F9oY0d56X3aONxwv5vw9Gco--AHmC8SHuDXdhdWCnnMC (flutter/engine#9576)
2a848c505 Roll fuchsia/sdk/core/mac-amd64 from jofgNhNmp-u51vpEXxTPuR89aL5DbLb-KNyK_Whh-ZAC to cFEtOUFvy2XYSKuSmCMDaMQV8_Y7GOif521L3x86J_4C (flutter/engine#9575)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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Default `semanticsEnabled` to true for `testWidgets` and fix associated bugs

Fix the Expansion Panel flutter_gallery demo by wrapping the Slider in a padded Container so that the value indicator does not get clipped.

Re-land "[Material] Support for hovered, focused, and pressed border color on `OutlineButton`s" (#35278)

* outline border implements material state property

In order not to break existing benchmarks.

* Make it possible to override the FLUTTER_TEST env variable without unsetting it.

* Switch to using platform instead of Platform.

* Document the bindings, and introduce tests that initialize multiple WidgetsBindings with different environments.

* Add tests for the flutter platform test.

* Add license headers

* Fix lints

* Remove trailing whitespace

* Respond to Jonahs comments

* Respond to Ians comments

* Mock out the HttpServer in flutter_platform_test

* Mock out the HttpServer in flutter_platform_test

* Explain why we mock out the HttpServer in flutter_platform_test

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

Revert "[Material] Support for hovered, focused, and pressed border color on `OutlineButton`s (#34872)" (#35276)

This reverts commit 3f941599.

* outline border implements material state property

https://github.com/flutter/engine/compare/5c3c4336395d...98487198ba65

git log 5c3c4336395def2a3d4b13fdd9d9bd846281be33..98487198ba65cc7c4031d1ed3effe1ec915e567a --no-merges --oneline
98487198b Roll fuchsia/sdk/core/linux-amd64 from DDMWCajukuC3EpOEXK31PCN2q7TWZHlaBiG1fZ6FkToC to hKK9H_q6Wr4qc_LULh6yowFyaqv8Ha-3JsuE05J4tpwC (flutter/engine#9574)
8024e7654 Roll src/third_party/skia b851469b8e96..afd2c10c989c (2 commits) (flutter/engine#9573)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
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5c3c43363 Roll fuchsia/sdk/core/mac-amd64 from 80DiQjMLrywJCY71q8_dXRFGwj8mszVpnwWHqqU1IZMC to jofgNhNmp-u51vpEXxTPuR89aL5DbLb-KNyK_Whh-ZAC (flutter/engine#9572) (#35264)


https://github.com/flutter/engine/compare/16578f76e557...5c3c4336395d

git log 16578f76e557e99d4b8e3ed430d4862838eafdc8..5c3c4336395def2a3d4b13fdd9d9bd846281be33 --no-merges --oneline
5c3c43363 Roll fuchsia/sdk/core/mac-amd64 from 80DiQjMLrywJCY71q8_dXRFGwj8mszVpnwWHqqU1IZMC to jofgNhNmp-u51vpEXxTPuR89aL5DbLb-KNyK_Whh-ZAC (flutter/engine#9572)

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16578f76e Roll fuchsia/sdk/core/linux-amd64 from N9HpdqEHzWZIcSV_3JN4PNlUNeoK-Pism-mc-a7L-IoC to DDMWCajukuC3EpOEXK31PCN2q7TWZHlaBiG1fZ6FkToC (flutter/engine#9571) (#35260)


https://github.com/flutter/engine/compare/5ed1414e564c...16578f76e557

git log 5ed1414e564cf78a8026a1081e22dab5823dea4c..16578f76e557e99d4b8e3ed430d4862838eafdc8 --no-merges --oneline
16578f76e Roll fuchsia/sdk/core/linux-amd64 from N9HpdqEHzWZIcSV_3JN4PNlUNeoK-Pism-mc-a7L-IoC to DDMWCajukuC3EpOEXK31PCN2q7TWZHlaBiG1fZ6FkToC (flutter/engine#9571)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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5ed1414e5 Roll fuchsia/sdk/core/mac-amd64 from 6WJ2NCb9uaOzVw20XC4kJqNcD4EP2VxT-PBocGsA6JsC to 80DiQjMLrywJCY71q8_dXRFGwj8mszVpnwWHqqU1IZMC (flutter/engine#9569) (#35257)


https://github.com/flutter/engine/compare/4aaa1a948828...5ed1414e564c

git log 4aaa1a948828bf2c322d10fb5c1bf4e954e1c228..5ed1414e564cf78a8026a1081e22dab5823dea4c --no-merges --oneline
5ed1414e5 Roll fuchsia/sdk/core/mac-amd64 from 6WJ2NCb9uaOzVw20XC4kJqNcD4EP2VxT-PBocGsA6JsC to 80DiQjMLrywJCY71q8_dXRFGwj8mszVpnwWHqqU1IZMC (flutter/engine#9569)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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https://github.com/flutter/engine/compare/185087a65f51...4aaa1a948828

git log 185087a65f5104710399d107a5228636b558727c..4aaa1a948828bf2c322d10fb5c1bf4e954e1c228 --no-merges --oneline
4aaa1a948 Roll src/third_party/skia 842e92e29216..b851469b8e96 (6 commits) (flutter/engine#9568)
4e48fc47c Switched preprocessor logic for exporting symbols for testing. (NDEBUG (flutter/engine#9562)
50a8e7361 Has a binary messenger (flutter/engine#9419)
7483665e6 Re-enable embedder_unittests. (flutter/engine#9482)
773cf539f Roll fuchsia/sdk/core/linux-amd64 from SuKWYMSXAMq1uTo9eaIdIOQqBb7Ro-zLyNk01GPOiU8C to N9HpdqEHzWZIcSV_3JN4PNlUNeoK-Pism-mc-a7L-IoC (flutter/engine#9560)
c2fa689cd Roll src/third_party/skia d8f79a27b06b..842e92e29216 (108 commits) (flutter/engine#9558)
00c023b70 Roll fuchsia/sdk/core/mac-amd64 from dcGnduqJ5C8ozmUHeeboHC76nOv7s4XfCKIfefQlGkQC to 6WJ2NCb9uaOzVw20XC4kJqNcD4EP2VxT-PBocGsA6JsC (flutter/engine#9557)
7b9f59efd Run benchmarks on try jobs. (flutter/engine#9493)

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* Add semanticsEnabled to widgetBenchmark
* Add button_matrix_app and gesture benchmark

Revert "Revert "Manual engine roll, Update goldens, improved wavy text decoration 0f9e297ad..185087a65f (#35066)" (#35237)" (#35242)

* Add doc suggesting Container for BoxDecorations that have no child widget

Revert "Manual engine roll, Update goldens, improved wavy text decoration 0f9e297ad..185087a65f (#35066)" (#35237)

https://github.com/flutter/engine/compare/2bce4ed87a48...6f7700fc8382

git log 2bce4ed87a48d3434ff19a39b1b70b5a94436d19..6f7700fc83827ef8adbd0966ed369a6cab549d9c --no-merges --oneline
6f7700fc8 fix FlutterOverlayView doesn't remove from superview in some cases (flutter/engine#9532)
f3cc37552 Roll fuchsia/sdk/core/mac-amd64 from XT8hP4vbTcjWCQU7H_kwgDtIt2lXCWVgJkMNU252lZ8C to dcGnduqJ5C8ozmUHeeboHC76nOv7s4XfCKIfefQlGkQC (flutter/engine#9538)
bc85f7302 Roll fuchsia/sdk/core/linux-amd64 from L_ORUWXyDEC29pSiSyKIwGqcFMQFsV91E3h_wPbUIUkC to SuKWYMSXAMq1uTo9eaIdIOQqBb7Ro-zLyNk01GPOiU8C (flutter/engine#9537)
bf3a3106c Roll fuchsia/sdk/core/mac-amd64 from Emw56Db0zg6Cnvgo7myIDZX0Lq-A6DFwEJHiPnr8K38C to XT8hP4vbTcjWCQU7H_kwgDtIt2lXCWVgJkMNU252lZ8C (flutter/engine#9531)

The AutoRoll server is located here: https://autoroll.skia.org/r/flutter-engine-flutter-autoroll

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https://github.com/flutter/engine/compare/0f9e297ad640...2bce4ed87a48

git log 0f9e297ad6400ef449df9ea7cc768f3e47b1a842..2bce4ed87a48d3434ff19a39b1b70b5a94436d19 --no-merges --oneline
2bce4ed87 Roll fuchsia/sdk/core/mac-amd64 from C8DMr5XY-F09ZBhT0lbvxOm5MtX3NMmFPKBO6fm40jEC to Emw56Db0zg6Cnvgo7myIDZX0Lq-A6DFwEJHiPnr8K38C (flutter/engine#9526)
264daccf9 Bump dart_resource_rev to f8e37558a1c4f54550aa463b88a6a831e3e33cd6 (flutter/engine#9518)

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

* Address PR feedback

* Fix analyzer issues

* Address more PR feedback