[flutter_tools] Migrate commands.shard/hermetic/doctor_test to null-safety and make hermetic (#107670)

Fixes a fidelity bug on desktop involving the selection toolbar not hiding when it should have.

* Support receive input action

* Fix error syntax

* Fix compile

* Add documents

* Add unit-test

* Update import

* Fixed unit-test and lint

* Add authors for me

* Fixed lint

* Fixed lint

* Add example

* Fixed lint

* Fix gen docs

* Revert code

* Remove flutter_dev

* Update packages/flutter_driver/lib/src/driver/driver.dart
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>

* Update packages/flutter_driver/lib/src/common/action.dart
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>

* Update packages/flutter_driver/lib/src/common/action.dart
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>

* Rename ReceiveAction to SendTextInputAction

* Rename DriverTextInputAction to TextInputAction and fix unit-test

* Reorder import

* Remove space

* Reorder import

* Update text_input.dart

* Update flutter_driver_test.dart

* Update comment to normal comment after dart doc

* Update example

* Update AUTHORS
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>

* Fix analyze

* Add type dart for example

* Add unit-test to check the same entries
Co-authored-by: Tong Mu <dkwingsmt@users.noreply.github.com>