First pass on multinetwork framework

Starting to switch netd to use NetId.
Adding the Network identifying class

bug:13550136
Change-Id: Ie0db4fb17c9300bfafb63329adfa02339911b33d
3 files changed
tree: 57abe8257ad89a7aa4eb42c1a131a4ea733f0513
  1. core/
  2. services/
  3. tests/