Move dev option restriction check from app to controller.

Dev option is not supposed to show up when there is a user restriction.
However the restriction is sometimes not applied universally. So let's
move the check into controller and avoid handling this logic ad-hoc.

Change-Id: Iab85c90a7c43330abb66bf63dc4c70fb69bc3757
Fixes: 72815875
Test: robotest