Build an image that has this customization configured, and flash this image to a phone.
Connect the phone to an incompatible charging source.
If the weak charger notification UI is suppressed, verify the following behavior:
Confirm that the phone does not display the dialog that states that a weak or unsupported USB charger is connected.
Verify that the Notify me when I connect to a slower charger setting is also hidden to a user in the USB screen under Settings.