3421 [quick_actions] Migrate to null safety (cla: yes, nnbd, p: quick_actions)

3423 [sensors] Migrate to null safety (cla: yes, nnbd, p: sensors)

3424 [wifi_info_flutter] Migrate the platform interface to null safety (cla: yes, nnbd, p: wifi_info_flutter)

3425 [wifi_info_flutter] Migrate to null safety (cla: yes, nnbd, p: wifi_info_flutter)

3460 Migrate path_provider to null safety. (cla: yes, nnbd, p: path_provider)

3492 [image_picker_platform_interface] migrate to nnbd  (cla: yes, nnbd, p: image_picker, waiting for tree to go green)