This fixes a breakage in fuchsia where package_config version 1.1.0 is
required but flutter_tools is currently locked to 1.05.

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.

* 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

* Run non-perf sensisitive tests on Cirrus

* Wrap test.main with a custom processor
* Report test results to bigquery table

* add trailing commas on list/map/parameters

* add trailing commas on Invocation with nb of arg>1

* add commas for widget containing widgets

* add trailing commas if instantiation contains trailing comma

* revert bad change

* Revert f9e6242d

* fix pubspec

* finish pubspec upgrade

* Update packages

* Change test for isFile

* Remove *.lock from gitignore

* Remove pubspec.lock from gitignore

This reverts commit 71e9bd6f.

This reverts commit 76a1abd4.