micstreamselector fails to build in pipeline

[david-c-kline]

example errors
##[error]Input\MicStreamSelector\Projects\MicDemoApp\MicDemoApp.csproj(0,0): Error WMC1006: Cannot resolve Assembly or Windows Metadata file 'System.Runtime.dll'
##[error]C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Microsoft\WindowsXaml\v16.0\8.2\Microsoft.Windows.UI.Xaml.Common.targets(266,5): Error WMC9999: Type universe cannot resolve assembly: System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a.
##[error]C:\Program Files (x86)\Microsoft Visual ##[error]Input\MicStreamSelector\Source\MicStreamSelector.cpp(0,0): Error C1107: could not find assembly 'platform.winmd': please specify the assembly search path using /AI or by setting the LIBPATH environment variable