This is a re-application of https://github.com/flutter/flutter/pull/81884,
but with https://github.com/flutter/flutter/pull/82834 landed first.

Fixes https://github.com/flutter/flutter/issues/81883

This reverts commit 468471bf.

* 98068f17a fuchsia: Only send different ViewProperties (flutter/engine#26170)

* 5e487ba85 Roll Skia from c1f641104531 to 469531234936 (4 revisions) (flutter/engine#26197)

* 4cab492e4 Add image generator registry (flutter/engine#25987)

* c753c2413 Roll Fuchsia Linux SDK from l6XmTSLnt... to AUWVgDkx6... (flutter/engine#26201)

* 75a7812eb Reland outputs a json version of the package manifest. (flutter/engine#26163)

* b5dc598c7 Roll Skia from 469531234936 to 5b38536d76ae (7 revisions) (flutter/engine#26202)

* fb913661c [icu] Upgrade ICU to 69.1, the same commit used by Chromimum latest (flutter/engine#26200)

* 62e095122 Prepare to move --delete-tostring-package-uri option to Dart SDK (flutter/engine#26196)

* 156c2bebc Web ImageFilter.matrix support (flutter/engine#25982)

* c30de25f3 Roll Skia from 5b38536d76ae to 2fed9f62d29a (7 revisions) (flutter/engine#26206)

* 7ef42f14d Roll Fuchsia Mac SDK from KmSY84b_E... to 7WNQRHsHN... (flutter/engine#26207)

* 8bba964f9 Add more diagrams for deferred components docs, fix alignment of existing one (flutter/engine#26209)

* 391e22dcb Roll Dart SDK from 67be110b5ba8 to 510f26486328 (3 revisions) (flutter/engine#26212)

* fa62ce08b Roll Skia from 2fed9f62d29a to e8cd0a54041e (2 revisions) (flutter/engine#26213)

* 2029cbafc Roll Skia from e8cd0a54041e to 3d854bade6de (4 revisions) (flutter/engine#26216)

* 9cd3c6491 Roll Fuchsia Linux SDK from AUWVgDkx6... to boele8geO... (flutter/engine#26217)

* 6ceab157d Roll Dart SDK from 510f26486328 to 13e329e614f2 (1 revision) (flutter/engine#26218)

* f90698a89 Roll Fuchsia Mac SDK from 7WNQRHsHN... to F5TX4MaEg... (flutter/engine#26220)

* b9d03fed2 Roll Skia from 3d854bade6de to 66125eac158d (1 revision) (flutter/engine#26221)

* 849ce7e6b Roll Dart SDK from 13e329e614f2 to 2eea032403e2 (1 revision) (flutter/engine#26222)

* ca89d6913 Roll Skia from 66125eac158d to 5696bcd0f7f8 (1 revision) (flutter/engine#26223)

* db7a3dc09 fuchsia: Fix occlusion_hint handling (flutter/engine#26208)

* b875d99dc Roll Skia from 5696bcd0f7f8 to bdfd77616177 (5 revisions) (flutter/engine#26224)

* b67caca64 Roll Skia from bdfd77616177 to fb8d20befa8f (1 revision) (flutter/engine#26225)

* 2398dea91 Revert Dart SDK to 67be110b5ba8fc84af5e7136389e52a13ccbc9d5 (flutter/engine#26232)

They should have been taking a PointerDownEvent.

This change was originally included in #81884, but that
had to be reverted because it broke Google testss. This
sub-part of that larger change needs to be made first in
order to allow for a phased rollout in a way that won't
break Google tests.

https://github.com/flutter/flutter/issues/81883

This reverts commit e88a387b.