[refactor] GetAccount{PubKey,Address} -> GetAccountDestination

Summary:
This is extracted from Core PR11403

https://github.com/bitcoin/bitcoin/pull/11403/commits/cbe197470ecc1f7b48771c4e7b654ab030af4c9e

Test Plan:

make check

Reviewers: #bitcoin_abc, jasonbcox

Reviewed By: #bitcoin_abc, jasonbcox

Differential Revision: https://reviews.bitcoinabc.org/D3111