* Revert "Revert "Pass filesystem-root, filesystem-scheme options through `flutter run, build` and gradle. (#15592)" (#15621)"
This reverts commit c663e3367d.
* Check whether filesystem-root is emtpy.
* Restore broken merge
* Fix windows test
* Adjust regex in test. Invalidate files by file path.
Flutter tools
Tools for building Flutter applications.
To run the tests, ensure that no devices are connected,
then navigate to flutter_tools and execute:
../../bin/cache/dart-sdk/bin/pub run test -j1