This reverts commit 3ca76098.

https://github.com/flutter/engine/compare/7c4f6a68302f...63d5f015dd92

git log 7c4f6a68302fe3d51f82e40e2e145aead673e20f..63d5f015dd92ba6921652947b42bf43b4e8b43f9 --no-merges --oneline
63d5f015d Add Dart SDK > 2.3.0 constraint to license script (flutter/engine#9385)
ece4f5937 Update Metal backend to account for Skia updates. (flutter/engine#9383)
c187e5068 Roll Dart to version 7340a569caac6431d8698dc3788579b57ffcf0c6 (flutter/engine#9374)
b70bc3b8e Roll src/third_party/skia 01c9b89a8520..0233b1edf242 (13 commits) (flutter/engine#9382)
a632b781e Message loop task heaps are shared (flutter/engine#9335)

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https://github.com/flutter/engine/compare/54f88ab5da4d...7c4f6a68302f

git log 54f88ab5da4d0f3cff5337ab263dbf3385ee78df..7c4f6a68302fe3d51f82e40e2e145aead673e20f --no-merges --oneline
7c4f6a683 Wire intent args for observatory port (flutter/engine#9378)

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

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This reverts commit f221ad1f.

This reverts commit 49449505.

* Add optional horizontalMargin and columnSpacing properties to DataTable

* Add horizontalMargin and columnSpacing tests for DataTable and PaginatedDataTable

(and fix grammar)

See: https://github.com/flutter/flutter/pull/21826

Adds the `textAlignVertical` param to TextField and InputDecorator, allowing arbitrary vertical positioning of text in its input.

This reverts commit 358b9bd3.

This reverts commit 3703e887.

* Splitting golden file versioning out as an argument of matchesGoldenFile

* Fixing description implementation.

* Removing unused imports

* Removing unused import

* Review feedback

- Adds desktop projects to ApplicationPackageStore
- Plumbs target overrides through the macOS build

https://github.com/flutter/engine/compare/20d3861ac8e1...05c034e5bb0a

git log 20d3861ac8e1f8f38c8659b16b699d0e63db01b1..05c034e5bb0aebe325801eba6088de16c0d78593 --no-merges --oneline
05c034e5b Update component manifests for ambient replace-as-executable (flutter/engine#9350)
66022ce25 Roll src/third_party/skia 55091020435c..4b203ad7ac02 (6 commits) (flutter/engine#9352)
fcff2d619 Use the DartServiceIsolate status callback to publish the observatory URI to the Android embedder (flutter/engine#9337)
ea7ca9804 Send the isolate service ID from the engine to the embedder (flutter/engine#9324)
675033fc0 Check for invalid indexes when performing InputAdpator backspace. (flutter/engine#9322)
e5918d18f Roll src/third_party/skia 92b81e14d9c2..55091020435c (6 commits) (flutter/engine#9348)
e00ac47f4 Reorganize darwin for shared ios/macOS (flutter/engine#9255)
9da409c0e Fix crash on Huawei device with AndroidView (flutter/engine#9192)
a0f85546f Removed an unused class definition for iOS code. (flutter/engine#9346)
96a1a843c Replace lock_guard with scoped_lock and use class template argument deduction. (flutter/engine#9338)

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Skip diagnostics on release mode, add test in firebase testlab