RFR: 8349256: Update PipeWire to 1.3.81

[Kevin Rushforth]

On Thu, 13 Feb 2025 11:54:01 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

> This changeset updates the pipewire headers to the 1.3.81, and it is the same as for the [OpenJDK](https://github.com/openjdk/jdk/pull/23426) 
> 
> It contains the minimum set of required header files needed to build the JFX.
> 
> The updated headers are a direct copy from the
> https://gitlab.freedesktop.org/pipewire/pipewire/-/releases/1.3.81 (except for the \t ->     replacement)

I confirmed that the files are identical to their recently-updated counterparts in the JDK. Sanity test looks good.

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Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1710#pullrequestreview-2615745900