92733 Add the exported attribute to the Flutter Gallery manifest (team, cla: yes, waiting for tree to go green, integration_test)

92738 Migrate emulators to null safety (tool, cla: yes, waiting for tree to go green, a: null-safety, tech-debt)

92753 [gen_l10n] Add support for adding placeholders inside select (tool, cla: yes, waiting for tree to go green)

92758 Improve error message for uninitialized channel (framework, cla: yes, waiting for tree to go green)

92808 feat: mirgate test_data/compile_error_project.dart to null safety (tool, cla: yes, waiting for tree to go green)