new gallery benchmark throwing late initialization and potentially other errors

[zanderso]

Search for LateInitializationError in:

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8747679430480882145/+/u/run_new_gallery__transition_perf/stdout

and

https://logs.chromium.org/logs/flutter/buildbucket/cr-buildbucket/8747679038401611905/+/u/run_new_gallery_ios__transition_perf/stdout

Tagging @jonahwilliams first to ask if this is something to worry about, or something benign that wouldn't affect performance/correctness.

[jonahwilliams]

not good!

[zanderso]

It looks like this was probably introduced by #147793.

[zanderso]

cc @nate-thegrate

[nate-thegrate]

Thanks for catching this!

[zanderso]

This no longer happens after the revert. Closing.