Marking it as experimental was breaking tests and packaging
scripts on stable branches.

https://github.com/flutter/engine/compare/ffba2f68d4e8...7d3e722349e7

git log ffba2f68d4e8ec2041f57226d907dcb929c8b795..7d3e722349e7923115f0b8800022a08c8dd795b3 --no-merges --oneline
7d3e72234 Roll buildroot to c5a493b25. (flutter/engine#9649)
8deeb77f0 make EmbeddedViewParams a unique ptr (flutter/engine#9640)
7862af546 Roll src/third_party/skia bd3d8d39b3e7..215ff3325230 (4 commits) (flutter/engine#9648)
a9ee687ac iOS PlatformView clip path (flutter/engine#9478)
c19b53cf2 Roll src/third_party/skia effee2065796..bd3d8d39b3e7 (1 commits) (flutter/engine#9647)
aeaa5edee Roll src/third_party/skia 2ef826576819..effee2065796 (1 commits) (flutter/engine#9646)
1cc1f04c9 Roll src/third_party/skia f2c52efce52b..2ef826576819 (2 commits) (flutter/engine#9645)
1c295b226 Roll src/third_party/skia 9fb7fa537d93..f2c52efce52b (1 commits) (flutter/engine#9644)
56a3f4102 Android Embedding Refactor PR31: Integrate platform views with the new embedding and the plugin shim. (flutter/engine#9206)
8ac7cbdda Fix warning about settings unavailable GN arg build_glfw_shell (flutter/engine#9642)
f66571781 Roll src/third_party/skia 21a486d04ae0..9fb7fa537d93 (21 commits) (flutter/engine#9639)
fd24007ca Roll Dart to 67ab3be10d35d994641da167cc806f20a7ffa679 (flutter/engine#9638)
628b174c9 Fixes a plugin overwrite bug in the plugin shim system. (flutter/engine#9589)
345d350ab Added Doxyfile. (flutter/engine#9632)
64b9eef5c Revert "Roll Dart to 67ab3be10d35d994641da167cc806f20a7ffa679 (#9634)" (flutter/engine#9637)
45e1ad274 Roll Dart to 67ab3be10d35d994641da167cc806f20a7ffa679 (flutter/engine#9634)
da6475eec Roll fuchsia/sdk/core/mac-amd64 from TRwIGIJLuznLNQzJk17zfboJrkErpe1XvGr0njCwemoC to byM-kyxL4bemlTYNqhKUfJfZoIUrCSzS6XzsFr4n9-MC (flutter/engine#9629)
bee12e6f3 Roll fuchsia/sdk/core/mac-amd64 from MBS_xxNZ_O32DxW1bhOeJisJqYG9JY_FAtSa3ZYupg4C to TRwIGIJLuznLNQzJk17zfboJrkErpe1XvGr0njCwemoC (flutter/engine#9626)
fea8fa6c4 Roll fuchsia/sdk/core/linux-amd64 from Efv1uHDvhLYgT8mvQmdAiJv7HiLix2L_kDRkK6P9ER4C to I2Qe1zxgckzIzMBTztvzeWYsDgcb9Fw-idSI16oIlx8C (flutter/engine#9625)
e7f8ca1de [all] add fuchsia.{net.NameLookup,posix.socket.Provider} (flutter/engine#9546)
a72a9997e Roll fuchsia/sdk/core/mac-amd64 from B-JzM_H7hG5kOIRFjmUqI3uWBAV7no8BnCTknbd2wQ4C to MBS_xxNZ_O32DxW1bhOeJisJqYG9JY_FAtSa3ZYupg4C (flutter/engine#9624)
b3fe3e95d Fix a race in the embedder accessibility unit test (flutter/engine#9585)
55818f602 Roll fuchsia/sdk/core/linux-amd64 from xtoj1ola0unTQOetly-V77CgpT6g8L1JUKWDqS8SuAQC to Efv1uHDvhLYgT8mvQmdAiJv7HiLix2L_kDRkK6P9ER4C (flutter/engine#9623)
37a54f2ab Roll fuchsia/sdk/core/linux-amd64 from O1niQGtIRghvjuMMCmxevRA1Y6seUn6onOao6Wii9hQC to xtoj1ola0unTQOetly-V77CgpT6g8L1JUKWDqS8SuAQC (flutter/engine#9622)
458a7647a Roll fuchsia/sdk/core/mac-amd64 from neDu8hWotIrKCQkxz1ScSJC4NoBva1_YVszr6wMbcZQC to B-JzM_H7hG5kOIRFjmUqI3uWBAV7no8BnCTknbd2wQ4C (flutter/engine#9621)
6e7b4ca44 Roll fuchsia/sdk/core/linux-amd64 from gMVpYn1cxQ0LeU-TSryUCg2o3rNcf7JWvlOqY6G00MYC to O1niQGtIRghvjuMMCmxevRA1Y6seUn6onOao6Wii9hQC (flutter/engine#9620)
e4d354d2c Roll src/third_party/skia 161f47dfbf6a..21a486d04ae0 (2 commits) (flutter/engine#9619)
28028759b Roll fuchsia/sdk/core/mac-amd64 from tPyg8rqV40gsoXEhDf7VskccnbJGCh4_bZp71YOUinEC to neDu8hWotIrKCQkxz1ScSJC4NoBva1_YVszr6wMbcZQC (flutter/engine#9618)
8e405c1db Roll fuchsia/sdk/core/mac-amd64 from UkCx2sMZsCM-w9nEuQC2TRfnJ7wjJCxsCxSDEx2uPegC to tPyg8rqV40gsoXEhDf7VskccnbJGCh4_bZp71YOUinEC (flutter/engine#9615)
609a98060 Fix uninitialized variables and put tests in flutter namespace. (flutter/engine#9613)
9807894ac Roll fuchsia/sdk/core/linux-amd64 from ur0ah3sh2atct83EqYX28SjG3fKt-7Driu48GbpdxmMC to gMVpYn1cxQ0LeU-TSryUCg2o3rNcf7JWvlOqY6G00MYC (flutter/engine#9612)
4e344e6cd Wire up custom event loop interop for the GLFW embedder. (flutter/engine#9089)
54c62263d Roll fuchsia/sdk/core/mac-amd64 from gyWAjP3BPfhpvHOOwaTusfA8JaGcY_UzjpoIGQnA_W0C to UkCx2sMZsCM-w9nEuQC2TRfnJ7wjJCxsCxSDEx2uPegC (flutter/engine#9611)
c3f8cab29 Roll fuchsia/sdk/core/linux-amd64 from xmxDtsnD0sfj7wxUaiMMhUwh72prBvMcYHY07lgTotcC to ur0ah3sh2atct83EqYX28SjG3fKt-7Driu48GbpdxmMC (flutter/engine#9610)
6f1a748ae Document various classes in //flutter/shell/common. (flutter/engine#9591)
4d3653092 Roll fuchsia/sdk/core/mac-amd64 from 4PD6FCl4NvKCavA0AVsdKtZPB3G5K72KprkEH0mr064C to gyWAjP3BPfhpvHOOwaTusfA8JaGcY_UzjpoIGQnA_W0C (flutter/engine#9609)
cf084bdb6 Roll fuchsia/sdk/core/linux-amd64 from XRYatTY5OvCnQ-5rGC8AnYltKa68CBxmnEK8QO0fpvQC to xmxDtsnD0sfj7wxUaiMMhUwh72prBvMcYHY07lgTotcC (flutter/engine#9607)
8d054008a disable mysterious failing tests (flutter/engine#9608)
aa817a9a2 Roll fuchsia/sdk/core/mac-amd64 from DeTFBSaxMBfZpfK0c7CifGpJbJLOrs3WtuCOaINwmrwC to 4PD6FCl4NvKCavA0AVsdKtZPB3G5K72KprkEH0mr064C (flutter/engine#9606)
4e988e0ae Roll fuchsia/sdk/core/linux-amd64 from jXpdljb7CHe8PEpUGGYqGvx6vFar6QRUh6HmpxMoS9sC to XRYatTY5OvCnQ-5rGC8AnYltKa68CBxmnEK8QO0fpvQC (flutter/engine#9605)
84ae36ac2 Roll fuchsia/sdk/core/mac-amd64 from IMr36r3rRLs1G7T5OtCudVMoWjPcjRbYGgyDg7LSxPwC to DeTFBSaxMBfZpfK0c7CifGpJbJLOrs3WtuCOaINwmrwC (flutter/engine#9604)
7135c8dbd Roll fuchsia/sdk/core/mac-amd64 from qcwCYvuT0PeU97HpvMVmC114EOKwfrk8PdFdZz_m6CIC to IMr36r3rRLs1G7T5OtCudVMoWjPcjRbYGgyDg7LSxPwC (flutter/engine#9602)
8f4df037b Roll fuchsia/sdk/core/linux-amd64 from Y3kUPtfq2frI60zx7VssO-WG733jtODCmnESyz0UGdEC to jXpdljb7CHe8PEpUGGYqGvx6vFar6QRUh6HmpxMoS9sC (flutter/engine#9601)
6c6a0d753 [trace clients] Remove fuchsia.tracelink.Registry (flutter/engine#9593)
f931539b2 Roll fuchsia/sdk/core/mac-amd64 from UsrGfX7Fj96MljgqUFc_A-o_ufsa_FX3eaG14ZSDWMAC to qcwCYvuT0PeU97HpvMVmC114EOKwfrk8PdFdZz_m6CIC (flutter/engine#9600)
...

* Use the new service protocol message names
  clearVMTimeline
  setVMTimelineFlags
  getVMTimeline
  getVMTimelineFlags

* Fix clearTimeline at another spot.

* Manual roll of engine 45b66b7...ffba2f6

git log 45b66b7...ffba2f6 --oneline

ffba2f68d Roll src/third_party/dart b37aa3b036...0abff7b2bb (#9588)
62514cb77 Roll fuchsia/sdk/core/mac-amd64 from n9fZpXVmsbgKZzS8Q2GXxB453q8AbLpfGztsPsq47pMC to BYCwsJf7r7zfd2THSGinFeIHv552AEVchXdc7VZzP0IC (#9587)
9f2721284 Roll src/third_party/skia e4c88bb1f848..1ddee025229a (7 commits) (#9586)
03a31e0ad Roll fuchsia/sdk/core/linux-amd64 from F9oY0d56X3aONxwv5vw9Gco--AHmC8SHuDXdhdWCnnMC to d2VK3FYSEKQ35UdZw5FdbOZUI_xgT0-1h8DnGDUHPVAC (#9583)

* Fix analyzer warning.

* more ui-as-code

* address review comments

This PR adds a new parameter to RawGestureDetector, `semantics`, which configures how detectors handle semantics gestures. It has a default delegate that keep the current behavior.

- Adds desktop projects to ApplicationPackageStore
- Plumbs target overrides through the desktop builds

```
45b66b722e1275c47dccbe6b002c8e4cb13ea983 Revert " Roll src/third_party/dart b37aa3b036...1eb113ba27 (#9559)" (#9584)
fc1d86b7580bc65a3b816b38d3b4c114079ccdf9 Revert "Avoid a full screen overlay within virtual displays (#9343)" (#9581)
140b2aef5ed381aecc13e262d1e2bb3b70960b3b  Roll src/third_party/dart b37aa3b036...1eb113ba27 (#9559)
94bb7a7ff2a52e9e69b9b4228b5a3ec9fb1e5127 Adds API for retaining intermediate engine layers (#9461)
7d1508d989e682b7fbc1e43db8053e7ded369154 Roll fuchsia/sdk/core/mac-amd64 from cFEtOUFvy2XYSKuSmCMDaMQV8_Y7GOif521L3x86J_4C to n9fZpXVmsbgKZzS8Q2GXxB453q8AbLpfGztsPsq47pMC (#9579)
7a0bbf935599b223352312a20ceabbe2dd2eb3ac Fixed memory leak by way of accidental retain on implicit self (#9329)
```

* 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

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
the roller if necessary.

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

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
the roller if necessary.

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)

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

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
the roller if necessary.

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

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
the roller if necessary.

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

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
the roller if necessary.

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)

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

Documentation for the AutoRoller is here:
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If the roll is causing failures, please contact the current sheriff (chinmaygarde@google.com), and stop
the roller if necessary.

* 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