Merge remote-tracking branch 'origin/release/5.0-preview8' into 'master'

...tection/ref/Microsoft.AspNetCore.DataProtection.Manual.cs

...Protection/ref/Microsoft.AspNetCore.DataProtection.csproj

...ion/ref/Microsoft.AspNetCore.DataProtection.netcoreapp.cs

...ref/Microsoft.AspNetCore.DataProtection.netstandard2.0.cs

.../Microsoft.AspNetCore.DataProtection.Extensions.Manual.cs

...ref/Microsoft.AspNetCore.DataProtection.Extensions.csproj

...rosoft.AspNetCore.DataProtection.Extensions.netcoreapp.cs

...ft.AspNetCore.DataProtection.Extensions.netstandard2.0.cs

src/DefaultBuilder/ref/Microsoft.AspNetCore.csproj

src/DefaultBuilder/ref/Microsoft.AspNetCore.netcoreapp.cs

...ed/ref/Microsoft.Extensions.FileProviders.Embedded.csproj

...Microsoft.Extensions.FileProviders.Embedded.netcoreapp.cs

...osoft.Extensions.FileProviders.Embedded.netstandard2.0.cs

...soft.Extensions.FileProviders.Embedded.multitarget.nuspec

...osoft.Extensions.FileProviders.Embedded.netcoreapp.nuspec

...Framework/App.Ref/src/Microsoft.AspNetCore.App.Ref.csproj

...k/App.Runtime/src/Microsoft.AspNetCore.App.Runtime.csproj

...t.Extensions.Diagnostics.HealthChecks.Abstractions.csproj

...sions.Diagnostics.HealthChecks.Abstractions.netcoreapp.cs

...s.Diagnostics.HealthChecks.Abstractions.netstandard2.0.cs