* Revert "Fixed output validation. (#14005)" This reverts commitd84398db72. * Revert "Update package prep script to do async process execution and emit output as it happens. (#13918)" This reverts commitb7169c1d95.
Automated Flutter integration test suites. Each suite consists of a complete
Flutter app and a flutter_driver specification that drives tests from the UI.
Intended for use with devicelab.