Upgrade demo app in plugins to new Android version

[bardram]

See list of plugins at

• https://github.com/cph-cachet/flutter-plugins

• health
• weather
• air quality
• screen state
• light
• pedometer
• noise meter
• app usage
• notifications
• movisens
• esense
• activity recognition (mark this as deprecated since we stopped using it in the app)
• audio streamer
• mobility ( is using package background_locator_2 which is not maintained ) blocked by carp_background_location
• carp background location ( we are not using this, can mark as deprecated ) blocked by this
• flutter foreground service ( we are not using this, can mark as deprecated )

[bardram]

We should probably deprecate the carp location plugin.