[FEAT/FIX] Use input_choice or new input_yn

As inputChoice has been deprecated this updates all references to the
replacement (input_choice).

Also added input_yn which is like input_choice but returns a boolean and
automatically sets the answers to [y]es and [n]o.

Change-Id: Ib68e66a60e5bc5a78602253123312a380109657d
Merge "[FEAT/FIX] Use input_choice or new input_yn"