This reverts commit 0df0e2ea.

* Migrate packages/flutter_tools/bin

* Fix NPE

* Fix test

* Fix test

* Fix l10n optionalParameters

* Fix ChromeTab nullability

* Fix another type cast error

* Fix another cast error

* Fix another cast error (copied from #110711)

* Fix NPE

* Fix another NPE

* Assert that testDirectory is not null

* 4e9d1f4c1 Roll Skia from 595f51fe1ac9 to 89ff483bccbe (4 revisions) (flutter/engine#36065)

* a21f534fa [Impeller] Implement compose image filter (flutter/engine#35991)

* 0d8ebbbcc [Impeller] Implement color filter image filter (flutter/engine#36043)

* 51ca9306e Roll Fuchsia Mac SDK from thzQ3Eamr4bpD4qXS... to T-LhIRl7A7MOniA01... (flutter/engine#36068)

* f4e4f0290 Roll Dart SDK from be96b5476852 to 86d283205b1d (1 revision) (flutter/engine#36069)

* 6ee5d1d51 Roll Skia from 89ff483bccbe to 82f833ccc0a0 (1 revision) (flutter/engine#36070)

* 293a9f4d6 Roll Fuchsia Linux SDK from S5y_wLZJBzalYADeY... to NxOIrMXIoDdeHU6S5... (flutter/engine#36071)

* 0882c93a0 Roll Skia from 82f833ccc0a0 to 943e9a1f6d4d (1 revision) (flutter/engine#36073)

* 757bd3a1c Roll Dart SDK from 86d283205b1d to 708893986cd0 (1 revision) (flutter/engine#36072)

* adb9fd80a Roll Skia from 943e9a1f6d4d to 1efc9a18c5aa (1 revision) (flutter/engine#36075)

* 18b4d8ad8 Roll Dart SDK from 708893986cd0 to e859710c87ff (1 revision) (flutter/engine#36076)

* f01919adb Roll Fuchsia Mac SDK from T-LhIRl7A7MOniA01... to bi6RYiiYQspjFGDD5... (flutter/engine#36077)

* 4fc3486ea Windows: Cleanup: Eliminate ExternalTexturePixelBufferState (flutter/engine#36074)

* 5bfda22d9 Roll Fuchsia Linux SDK from NxOIrMXIoDdeHU6S5... to qFA4XAWsiceDJRgmL... (flutter/engine#36078)

* 175f6736f Roll Dart SDK from e859710c87ff to 33d0a3b8a0ef (1 revision) (flutter/engine#36079)

* 639dec4cf Roll Dart SDK from 33d0a3b8a0ef to bb232d1f3a26 (1 revision) (flutter/engine#36081)

* 16640f93f Roll Fuchsia Mac SDK from bi6RYiiYQspjFGDD5... to pNjLhqLsohBUBCSRa... (flutter/engine#36080)

* 1df1c021b Roll Skia from 1efc9a18c5aa to 5452714cb4a1 (1 revision) (flutter/engine#36082)

* f9c202c54 Roll Fuchsia Linux SDK from qFA4XAWsiceDJRgmL... to GBgVvIAWMvO4q1aMh... (flutter/engine#36083)

* 971bf4f0d Roll Dart SDK from bb232d1f3a26 to 5ae14d5bf7f8 (1 revision) (flutter/engine#36085)

* 74a939cd1 Roll Fuchsia Linux SDK from GBgVvIAWMvO4q1aMh... to zsFwMWukLDug0qmn1... (flutter/engine#36086)

* 5a9c6b6c6 Roll Skia from 5452714cb4a1 to 4b7eb38d3cbd (1 revision) (flutter/engine#36087)

* c54f1058c Roll Skia from 4b7eb38d3cbd to a1a9d1ca7ece (2 revisions) (flutter/engine#36088)

* 08b5652ca Bump ossf/scorecard-action from 1.1.2 to 2.0.2 (flutter/engine#36089)

* 51f19873b Roll Skia from a1a9d1ca7ece to 1828e4d636b2 (1 revision) (flutter/engine#36090)

I found a typo error in CONTRIBUTING.md and fixed it.