Auto merge of #23997 - collares:audiobuffersourcenode, r=ferjm

Implement missing functionality of AudioBufferSourceNode

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This is a tiny PR to support [Media #293](https://github.com/servo/media/pull/293). Last time I ran WPT there was only one failing AudioBufferSourceNode test (which I will debug later this week). Once I rebased, however, I started getting unrelated servo-media build failures:

```
error[E0599]: no method named `shutdown_audio_context` found for type `std::sync::Arc<servo_media::ServoMedia>` in the current scope
   --> components/script/dom/baseaudiocontext.rs:566:14

error[E0599]: no method named `shutdown_player` found for type `std::sync::Arc<servo_media::ServoMedia>` in the current scope
    --> components/script/dom/htmlmediaelement.rs:1866:18
```

I wanted to get this PR up so https://github.com/servo/media/pull/293 can be tested. When the unrelated build failures are fixed, I will run `./mach update-wpt` and update this PR.

---
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- [X] `./mach build -d` only reports unrelated errors (broken servo/media master?)
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #22363

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- [X] There are tests for these changes OR
- [ ] These changes do not require tests because ___

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