[WIP] [Media3] Cant implement interface Transformer.IListener

[Copilot]

Thanks for assigning this issue to me. I'm starting to work on it and will keep this PR's description up to date as I form a plan and make progress.

Original issue description:

Android framework version

net9.0-android

Affected platform version

Xamarin.AndroidX.Media3.Transformer 1.8.0

Description

In package 'Xamarin.AndroidX.Media3.Transformer' v1.8.0
Interface Transformer.IListener does not declare any members.
I cannot override or implement 'OnCompleted' 'OnError' 'OnFallbackApplied'

Steps to Reproduce

1 Create new class TransformerListener : Java.Lang.Object, Transformer.IListener
2. Try to implement any member

Did you find any workaround?

No

Relevant log output

Fixes #1268.

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[jonathanpeppers]

@copilot continue your work, you ran out of disk space previously.