Let whitelist and user have int. phone numbers

On the frontend, we’re letting users register with international phone
numbers. So we shouldn’t block users from doing this on the API side.

Same thing for the whitelist, where we’re also allowing international
phone numbers now.

app/models.py

@@ -318,7 +318,7 @@ class ServiceWhitelist(db.Model):
 
         try:
             if recipient_type == MOBILE_TYPE:
-                validate_phone_number(recipient)
+                validate_phone_number(recipient, international=True)
                 instance.recipient = recipient
             elif recipient_type == EMAIL_TYPE:
                 validate_email_address(recipient)

app/schemas.py

@@ -130,7 +130,7 @@ class UserUpdateAttributeSchema(BaseSchema):
     @validates('mobile_number')
     def validate_mobile_number(self, value):
         try:
-            validate_phone_number(value)
+            validate_phone_number(value, international=True)
         except InvalidPhoneError as error:
             raise ValidationError('Invalid phone number: {}'.format(error))