88373 Fixed leak and removed no-shuffle tag in long_press_test.dart (framework, cla: yes)

88375 Fixed leak and removed no-shuffle tag on scaffold_test.dart (framework, f: material design, cla: yes, waiting for tree to go green)

88376 Fixed leak and removed no-shuffle tag in image_stream_test.dart (framework, cla: yes)

88377 Revert “Refactor iOS integration_test API to support Swift, dynamically add native tests” (cla: yes)

88379 Typo fixes (framework, cla: yes, waiting for tree to go green)

88382 Migrate dds.dart to null safety (tool, cla: yes, waiting for tree to go green, a: null-safety)