[services] Backup - add AWS Tools

Summary:
This is needed for the database manager added later

Test Plan: -

Reviewers: palys-swm, geekbrother, varun, ashoat

Reviewed By: palys-swm, ashoat

Subscribers: benschac, ashoat, palys-swm, Adrian, atul

Differential Revision: https://phabricator.ashoat.com/D3080