[DO NOT MERGE] Test building AndroidX with .NET 8 Preview SDK.

[jpobst]

Status - .NET 8 P3:

net8.0-android

Should be fixed in P4 by: dotnet/java-interop#1089.

MonoAndroid12.0;net7.0-android;net8.0-android

error XACAAR7000: System.EntryPointNotFoundException: Unable to find an entry point named 'lzs_convert_whence_value' in DLL 'libZipSharpNative'.
error XACAAR7000:    at Xamarin.Tools.Zip.Native.lzs_convert_whence_value(Int32 whence)
error XACAAR7000:    at Xamarin.Tools.Zip.Native.ConvertWhence(Int32 whence) in /Users/runner/work/1/s/LibZipSharp/Xamarin.Tools.Zip/Native.cs:line 130
error XACAAR7000:    at Xamarin.Tools.Zip.ZipArchive.stream_callback(IntPtr state, IntPtr data, UInt64 len, SourceCommand cmd) in /Users/runner/work/1/s/LibZipSharp/Xamarin.Tools.Zip/ZipArchive.cs:line 846
error XACAAR7000:    at Xamarin.Tools.Zip.Native.zip_close(IntPtr archive)
error XACAAR7000:    at Xamarin.Tools.Zip.ZipArchive.Close() in /Users/runner/work/1/s/LibZipSharp/Xamarin.Tools.Zip/ZipArchive.cs:line 988
error XACAAR7000:    at Xamarin.Tools.Zip.ZipArchive.Dispose(Boolean disposing) in /Users/runner/work/1/s/LibZipSharp/Xamarin.Tools.Zip/ZipArchive.cs:line 1010
error XACAAR7000:    at Xamarin.Tools.Zip.ZipArchive.Dispose() in /Users/runner/work/1/s/LibZipSharp/Xamarin.Tools.Zip/ZipArchive.cs:line 1024
error XACAAR7000:    at Xamarin.Android.Tasks.CreateAar.RunTask()
error XACAAR7000:    at Microsoft.Android.Build.Tasks.AndroidTask.Execute() in /Users/runner/work/1/s/xamarin-android/external/xamarin-android-tools/src/Microsoft.Android.Build.BaseTasks/AndroidTask.cs:line 25

Tracked here: dotnet/android#7936.