When using Chrome and encountering an HTML table as a child of container with tabindex="0", the table is not discoverable by TalkBack.
- When reading the entire page, the tables are skipped;
- When exploring by touch, the tables are skipped;
- When using Alt + T, the tables are skipped.

This construct will trigger the bug, and removing the tabindex will fix it:
```
<div role="region" aria-labelledby="Caption03" tabindex="0">
<table>
<caption id="Caption03">Region, Tabindex</caption>
[…]
</table>
</div>
```

This occurs in Android 9, 10, and 11 across devices. The video example uses Android 11 on a Pixel 2 with Chrome 86.

I have made a demo to demonstrate the issue:
https://cdpn.io/aardrian/debug/0d8a7361fefcdd11794a482c3238555e

I have recorded a video:
https://drive.google.com/file/d/1JnmMJwDwKBvRSbNZecvNW8HTw84WLhW4/view?usp=sharing

In the video I have TalkBack read the entire page, and then I navigate by keyboard. The Android 11 built-in screen recorder does not capture audio from TalkBack, but the captions are at the bottom of the screen.

So far the only fix I have identified is to put an interactive control (link, button, etc) as a descendant of the container. For example, A link in a table cell, a link before or after the table, or similar with buttons, will make the tables discoverable to TalkBack again.

Issue 174769542

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