Extract module naming into an interface

in facilitate moving name resolution to Soong

Bug: 65683273
Test: build/soong/scripts/diff_build_graphs.sh \
      --products=aosp_arm \
      'build/blueprint:work^' 'build/blueprint:work'
      # and see that the only changes were:
      # 1. adding the name_interface.go file
      # 2. changing some line numbers

Change-Id: Ifa7603cca59b3b3d592f2f146fdafe57012bd4b9