Enable RAR AssemblyInformation caching by default
Enable RAR AssemblyInformation caching by default

This is a performance win even on Full Framework, so enable it
everywhere (with an escape hatch).

chipitsine/msbuild,sean-gilliam/msbuild,Microsoft/msbuild,chipitsine/msbuild,sean-gilliam/msbuild,cdmihai/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild,mono/msbuild,cdmihai/msbuild,rainersigwald/msbuild,jeffkl/msbuild,Microsoft/msbuild,AndyGerlicher/msbuild,jeffkl/msbuild,Microsoft/msbuild,AndyGerlicher/msbuild,chipitsine/msbuild,AndyGerlicher/msbuild,rainersigwald/msbuild,chipitsine/msbuild,jeffkl/msbuild,Microsoft/msbuild,mono/msbuild,cdmihai/msbuild,rainersigwald/msbuild,cdmihai/msbuild,mono/msbuild,sean-gilliam/msbuild,jeffkl/msbuild,mono/msbuild,rainersigwald/msbuild