fix(study-screen): NotReadableError on JS getUserMedia while trying to record audio in the WebView

[BrayanDSO]

Fixes

• Fixes NotReadableError on getUserMedia while trying to record audio in card's webview with javascript #20111

Approach

In the commits

How Has This Been Tested?

Emulator 31, with the deck provided at #16319 (comment)

Screen_recording_20260115_101314.mp4

Learning (optional, can help others)

https://developer.android.com/reference/android/Manifest.permission#MODIFY_AUDIO_SETTINGS

Checklist

Please, go through these checks before submitting the PR.

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[david-allison]

I have a security concern here: I believe this lets a deck author record an end-user's audio without requesting permission from the user

The implementation is fine in the happy path, but at LEAST can this require user consent via a scary-ish setting.