Changes to Phone availability summary

added the new android enum value to the dedicated/by_type/items/phone_type response property for the response status 200

added the new android enum value to the shared/by_type/items/phone_type response property for the response status 200

added the new iphone enum value to the dedicated/by_type/items/phone_type response property for the response status 200

added the new iphone enum value to the shared/by_type/items/phone_type response property for the response status 200

added the new unknown enum value to the dedicated/by_type/items/phone_type response property for the response status 200

added the new unknown enum value to the shared/by_type/items/phone_type response property for the response status 200

added the non-success response with the status 422

added the non-success response with the status 500

endpoint added