Access voiceovers with accent learner

[Nik-09]

Overview

WIP: The PR is not ready for review

1. This PR fixes or fixes part of #[fill_in_number_here].
2. This PR does the following: [Explain here what your PR does and why]
3. (For bug-fixing PRs only) The original bug occurred because: [Explain what
   the cause of the bug was, and which PR introduced it]

Essential Checklist

Please follow the instructions for making a code change.

• I have linked the issue that this PR fixes in the "Development" section of the sidebar.
• I have checked the "Files Changed" tab and confirmed that the changes are what I want to make.
• I have written tests for my code.
• The PR title starts with "Fix #bugnum: " or "Fix part of #bugnum: ...", followed by a short, clear summary of the changes.
• I have assigned the correct reviewers to this PR (or will leave a comment with the phrase "@{{reviewer_username}} PTAL" if I can't assign them directly).

Testing doc (for PRs with Beam jobs that modify production server data)

• A testing doc has been written: ... (ADD LINK) ...
• (To be confirmed by the server admin) All jobs in this PR have been verified on a live server, and the PR is safe to merge.

Proof that changes are correct

Proof of changes on desktop with slow/throttled network

Proof of changes on mobile phone

Proof of changes in Arabic language

PR Pointers

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[oppiabot]

Hi @Nik-09, can you complete the following:

1. The body of this PR is missing the required description, please update the body with a description of what this PR does.
   Thanks!

[oppiabot]

Hi @Nik-09 please assign the required reviewer(s) for this PR. Thanks!

[oppiabot]

Hi @Nik-09. Due to recent changes in the "develop" branch, this PR now has a merge conflict. Please follow this link if you need help resolving the conflict, so that the PR can be merged. Thanks!

[oppiabot]

Hi @Nik-09. Due to recent changes in the "develop" branch, this PR now has a merge conflict. Please follow this link if you need help resolving the conflict, so that the PR can be merged. Thanks!