Consent by company, not user

Objective: As a texting user, when I reply stop to a text from Company A, I only want to opt out to their texts, not texts from every CBAT employer so that I can control who I receive texts from.

Entry: I reply Stop to a text

Exit: I remove consent from a single vendor

Acceptance criteria:

• Update our integration with Amazon to ensure we only opt out by Company, not in general
• Opting out from one recruiter opts me out from all recruiters at a single company
• Opting out does not opt me out from other companies

Pre-requisite: {color:#091E42}Amazon needs to update their API{color}

Dependency: Amazon{color}