[av][ncl][go] fix audio and video qa issues (#21055)

# Why

fix audio and video issues from sdk48 android unversioned qa

# How

- [ncl] play position back-and-forth is actually from slider's

[av][ncl][go] fix audio and video qa issues (#21055)

# Why

fix audio and video issues from sdk48 android unversioned qa

# How

- [ncl] play position back-and-forth is actually from slider's [`onSlidingComplete` issue](https://github.com/callstack/react-native-slider/issues/487). this pr update the vendored slider to the latest version with a fix.
- [ncl] `setVolumeAsync` unhandled promise rejection: access `sound` when it's before starting (undefined).
- [av] also find a regression for SimpleExoPlayer jsi audio sampler which should access the player from main thread.

# Test Plan

- ci passed
- android unversioned expo go + ncl audio / video

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[android][ios] Upgrade @react-native-community/slider to 4.4.1 (#20903)

# Why

Closes ENG-7322

# How

Updated `@react-native-community/slider` target config `rootDir` to
`package/` as they h

[android][ios] Upgrade @react-native-community/slider to 4.4.1 (#20903)

# Why

Closes ENG-7322

# How

Updated `@react-native-community/slider` target config `rootDir` to
`package/` as they have recently reorganized their repo structure

And then

```sh
et uvm -m @react-native-community/slider -c v4.4.1
et pods -f
yarn
```

# Test Plan

- [x] test using `bare-expo` Android + NCL slider
- [x] test using `bare-expo` iOS + NCL slider
- [x] test unversioned expo go ios + NCL slider
- [x] test unversioned expo go android + NCL slider
# Checklist

<!--
Please check the appropriate items below if they apply to your diff.
This is required for changes to Expo modules.
-->

- [x] Documentation is up to date to reflect these changes (eg:
https://docs.expo.dev and README.md).
- [x] Conforms with the [Documentation Writing Style
Guide](https://github.com/expo/expo/blob/main/guides/Expo%20Documentation%20Writing%20Style%20Guide.md)
- [x] This diff will work correctly for `expo prebuild` & EAS Build (eg:
updated a module plugin).

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