Update the host-component document (#5152)
Update the host-component document (#5152)

Add `comhost` into the list.
Use platform agnostic wording and library names.
Reword certain description to provide more precise and detailed information.
wtgodbe/core-setup,MichaelSimons/core-setup,MichaelSimons/core-setup,wtgodbe/core-setup,MichaelSimons/core-setup,crummel/dotnet_core-setup,crummel/dotnet_core-setup,MichaelSimons/core-setup,crummel/dotnet_core-setup,crummel/dotnet_core-setup,wtgodbe/core-setup,crummel/dotnet_core-setup,MichaelSimons/core-setup,crummel/dotnet_core-setup,wtgodbe/core-setup,wtgodbe/core-setup,MichaelSimons/core-setup,wtgodbe/core-setup