Use default ALC for fallback-to-msbuild-path assemblies
Use default ALC for fallback-to-msbuild-path assemblies

This ensures that types from these assemblies are loaded only one time and version-unified (if the fallback is used).

AndyGerlicher/msbuild,sean-gilliam/msbuild,cdmihai/msbuild,rainersigwald/msbuild,cdmihai/msbuild,sean-gilliam/msbuild,mono/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,cdmihai/msbuild,mono/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,mono/msbuild,AndyGerlicher/msbuild,AndyGerlicher/msbuild,cdmihai/msbuild,mono/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild