bug(Datepicker): The calendarLabel property is not read by the screen reader, and is not assigned in the DOM

[lidiagabriela]

Is this a regression?

• Yes, this behavior used to work in the previous version

The previous version in which this bug was not present was

No response

Description

The calendarLabel property is not read by the screen reader and is not assigned in the DOM.
I also searched in the source code of the calendar component and it seems that it exists only in the documentation, and in the html or ts code it is not assigned anywhere.

Reproduction

StackBlitz link: https://stackblitz.com/edit/lhj2eb?file=src%2Fapp%2Fmy-date-picker-intl.service.ts
Steps to reproduce:

1. Open stackblitz example
2. Open NVDA screen reader (or other screen reader)
3. Focus the datepicker icon
4. Press 'enter' key to open the calendar popup

Expected Behavior

The calendarLabel property should be read by the screen reader and should exist in the DOM.

Actual Behavior

The calendarLabel property is not read by the screen reader and is not assigned in the DOM.

Environment

• Angular: v15.0.4/v15.2.9
• CDK/Material: v15.2.9
• Browser(s): doesn't matter (I tested on Microsoft Edge version 117.0.2045.60)
• Operating System (e.g. Windows, macOS, Ubuntu): Windows 10 Enterprise v21H2