An action block that sets the value of a system setting.
The fiber will proceed immediately without pause.
Caution! This is an advance feature, setting an invalid value may damage the system.
Note! Modifying settings in the Global or Secure category may require the “modify secure settings” privilege, on Android 6+ many settings in the System category are “private” requiring the “access deprecated system features” privilege, neither is officially supported and may not work on all devices.