voice over and nvda is not able to read title of the amp-iframe

[ssiddartha1]

Description

screen reader should read the title ("Business iFrame") of iframe when focus was on the amp-iframe.
but in the example screen reader is not able to read the title of amp - iframe.

title is mentioned in the amp-iframe

here is the link
https://s3-componentsexperiments-sbx01-cac1-01.s3.ca-central-1.amazonaws.com/AMP/QA+Links/jan-24-amp-issue.html

Reproduction Steps

1. click on the above link
   2)press tab to get focus on the iframe

Relevant Logs

No response

Browser(s) Affected

Chrome, Safari

OS(s) Affected

No response

Device(s) Affected

No response

AMP Version Affected

No response