* Enable the same test in linux host for v2 and legacy recipes.
Dart tests were not being run in the engine v2 linux builds.
Bug: https://github.com/flutter/flutter/issues/120701
* Generate path_ops.
* Remove unopt build requirement.
* Remove the check for host_debug_unopt.
* Add shell_testing deps.
* Add path_ops.
* Build benchmarks in release.
* Enable fml benchmarks.
* Add UI benchmarks.
* Add ui_list.
* Add geometry benchmarks.
* Add remaining benchmark targets.