
Manual roll, because https://github.com/flutter/engine/pull/55095 updates dependencies, and so it needs gradle lockfiles re generated.
Image List
An example that sets up a local HTTP server for serving one image then creates a single flutter widget with five copies of requested image and prints how long the loading took.
This is used in [$FH/flutter/devicelab/bin/tasks/image_list_reported_duration.dart] test.