* Update color scheme seed generation to use color utils package

I renamed the semantics events label.

This reverts commit 6a3ea7eb.

Increased the memory size of multiple_flutters to help identify regressions in performance

This is not a regression and will affect benchmark's readings.

Revert "Reland "Exit on deprecated v1 embedding when trying to run or build (#92901)" (#93386)" (#93518)

This reverts commit eabb7cbc.

It broke multiple tests.

This reverts commit 6153bbef.

This reverts commit bfe9c598.

This reverts commit 9038fac9.

This reverts commit 058dfd49.

Makes the android_semantics_testing test not fail for newer versions of Talkback.

Also, since the test now depends on pub_semver, upgraded the pubspec files.

The only substantive changes in the PR are in dev/integration_tests/android_semantics_testing/test_driver/main_test.dart

This reverts commit 31e33647.

This change updates the platform runners in the benchmarks subdir.

I've attempted to replace the entire group with new code as if the project were recreated with flutter create so that they don't become a Frankenstein of minor changes to make it work again, but just plain old generated code that can be replaced and updated in place.

This reverts commit 5fd259be.