Build

Add support to make AndroidForegroundService optional to MediaElement #1833

Job	Run time
Build Library (windows-latest)	2m 25s
Build Sample App using Latest .NET SDK (windows-latest)	2m 25s
Build Sample App using Latest .NET SDK (macos-26)	2m 49s
Build Library (macos-26)	2m 33s
sign	1s
release-nuget	1s
release-main	1s
	10m 15s

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