Endorses the new Android implementation of `file_selector`, updating the README accordingly.
Also adjusts the example to better handle platform diffs, by hiding UI that doesn't work instead of just labelling it on the button. Left a TODO to improve how we determine what to hide once we have the API to do so.
Fixes https://github.com/flutter/flutter/issues/110098
The `firebase-test-lab` expectations were written for flutter/plugins,
where everything was supposed to have an integration test. This makes
non-plugin packages skip, not fail, if they don't have native
Android integration tests.
Fixes https://github.com/flutter/flutter/issues/120450
* Add placeholder exclusion files
* Add exclusion refs to LUCI, update a task name
* Adjust test plugin podspecs to avoid warnings
* Add podspec check to CI
* Add drive step for Windows
* Sync .ci.yaml
* Add placeholder yaml for repo tool test