incoming_call utility alias

BUR #34443 has been approved by @nonamethanks.

create alias ringing_phone -> incoming_call

I also wanted to do phone_call, but unfortunately that's ambiguous between this and talking_on_phone.

The bulk update request #34443 (forum #322198) has been approved by @nonamethanks.

Previous topic: topic #27623. Not sure if we need to have subtags for different types of incoming calls (visual indications of vibrating etc).