@ReactMethod
    public void updateContact(ReadableMap contact, Promise promise) {
        contactsManagerImpl.updateContact(contact, promise);
    }
Retrieves <code>contact</code> for contact, or <code>null</code> if not
available.

@param contactId contact identifier, <code>recordID</code>
android/src/oldarch/com/rt2zz/reactnativecontacts/ContactsManager.java