* PointerDeviceKind and ui.PointerChange forwards-compatibility

* Add link to trackpad gestures issue

* Add TODO

* Pin dependencies in docker file.

The docker file had two dependencies that were not locked. An npm
dependency and the debian base image. This PR pins those two
dependencies.

* Use the slim version of debian image.

* Use image with bigger disk to build docker images.

* remove web_engine_tests from cirrus.

* f161d762d Roll Skia from 994c946bd33e to 1fad4c0080f2 (2 revisions) (flutter/engine#31160)

* 48ae905cb Export benchmark draw op count in benchmark output and some minor fixes/tweaks (flutter/engine#31146)

* Prevent double underscores after replacement

* add test

* remove trailing space

Fixes #97238.

It is a good practice to set the github actions default permissions
to the minimum required. The locks action didn't set permissions
explicitly.

* 7b26f7a16 Roll Skia from 32f7fa7bfef3 to c4ba48a7d8c3 (2 revisions) (flutter/engine#31139)

* 312551e45 Revert "Revert engine (#31135)" (flutter/engine#31142)

* e17ee4a5f Add constexpr endianness utilities to fml (flutter/engine#31118)

* 4b554923f Remove unused Counter and CounterValues class. (flutter/engine#31130)