Settings: refactor Profiles to be more user friendly

* Remove the notion of Profile app groups
* Rearrange profile setup flow, now we first present the user with ways
which will trigger the profile, then allow them to set what happens when
the profile is triggered.

Change-Id: I2870df894046cd43c21c67991fb5efc9c3fec837
Signed-off-by: Roman Birg <roman@cyngn.com>