Revert engine back to afb9d510c3bb0f1b97980434b41200a2d3491697 - #33982

@bparrishMines

Also reverting 61b83d3 @goderbauer

Why is 61b83d3 getting reverted?

@goderbauer There were failures related to that change in the presubmit checks for the engine revert by itself.

Can you link to the failure so I can debug that for re-landing?

https://api.cirrus-ci.com/v1/task/6642212578787328/logs/test.log

00:19 +100 -1: /tmp/flutter sdk/packages/flutter/test/scheduler/scheduler_test.dart: currentSystemFrameTimeStamp is the raw timestamp [E]                                                              
  Expected: Duration:<0:00:00.000000>
    Actual: Duration:<-5:07:02.107324>
  
  package:test_api                     expect
  scheduler/scheduler_test.dart 152:5  main.<fn>

@zanderso do you know what I can do to repro whatever the problems were with flutter-team-archive/engine@5ea125e ? I ran an app locally before putting up the PR, and the PR checks were green...

@matthew-carroll run the android_views driver test

It looks like the test might have only been failing on Mac, so that might be where to start: https://flutter-dashboard.appspot.com/api/get-log?ownerKey=ahNzfmZsdXR0ZXItZGFzaGJvYXJkclgLEglDaGVja2xpc3QiOGZsdXR0ZXIvZmx1dHRlci9jODQ3NjdjYWU4Yzg4NzRiMTkyZTM1ZTk3NzdhNzA0NmM0YWZmNjBjDAsSBFRhc2sYgIDA8L2HlwkM