Towards https://github.com/flutter/flutter/issues/161261. Still need to add a HC (Hybrid Composition) variant, but figured I'd do this incrementally to make it easier to review.
Not sure if this just needs the dpr transform or the entire canvas transform. Fixes https://github.com/flutter/flutter/issues/159688 ## Before  ## After 
native_driver
android_{driver_extensions|engine_test}
Towards https://github.com/flutter/flutter/issues/161261 (before I add more tests). This is a 1:1 move, with massaging of `run_flutter_driver_android_tests.dart` to be more automated as tests are added. /cc @reidbaker