This reverts commit efdc0994.

Co-authored-by: NKaushik Iska <kaushikiska@google.com>

* Fix text positioning
* Update golden locks

This is more consistent with the Dart code.

see: https://github.com/flutter/flutter/issues/57061

See: fxb/52028

There are some cases where onAnimatorDraw gets called before
onAnimatorBeginFrame, in these cases we need to update the
latest_frame_target_time to be the target time for the current frame.

This manifested as an issue in release mode Android builds:
https://firebase.corp.google.com/project/flutter-infra/testlab/histories/bh.27c33c672e9b01f2/matrices/4903344583855476919/executions/bs.ee4f6f7ad8671a34

This is the term used in the Dart code and which callback is more commonly used
in GLib matching the Dart code will make developers life easier.