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

update dependencies; add a Web smoke test

This introduces a script that implements the conventions described in https://github.com/flutter/tests/pull/1.

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

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

* Update packages

* Change test for isFile