Fixes timeout when running gradle_plugin_test

Revert "fix devicelab manfiest (#33698)"

This reverts commit 5a6a00dc.
This reverts commit 0d79f0fc.

This relands flutter/flutter#33163 with a fix to the integration_ui test.

This reverts commit 52ae9968.

Corects a bnuch of typeos throuhgout teh Fluter codebsae.

Made use of the `misspell` tool:
https://github.com/client9/misspell

This adds a maintenance script that will allow us to "unpublish" a release: basically remove it from the cloud storage so that we're no longer serving it from the website.

Obviously, gsutil access to the cloud storage server is required for this to function.

* Clean up some flutter_tools tests

* Remove arbitrary retry that happens even for fundamental errors, and generally clean up _DevFSHttpWriter.

* Update dependencies (requires fixes; see next commit)

* Fixes for new dependencies.

* Update packages
* Capture JSON RPC errors that presently get swallowed

Cupertino localization step 8: create a gen_cupertino_localizations and generate one for cupertino english and french (#29824)

This version of dartdoc properly escapes fenced code block "info strings."

updates the regex the analyzer uses, so it should be able to recognize expressions such as
const Foo a = Foo(); as "other code" rather than a constructor call.

Cupertino localization step 3: in-place move some material tools around to make room for cupertino (#29644)