Filter inbox assemblies that have implementation from netfx shim list
Filter inbox assemblies that have implementation from netfx shim list

System.Net.Http and System.IO.Compression are assembly identities
in netfx that we shouldn't be providing shims for in the netfx/ref
shim list so filter those out.

weshaggard/standard,weshaggard/standard,ericstj/standard,ericstj/standard