Add NetworkFactory support.

This is a protocol allowing transports to dynamically register with CS for
Handler to Handler communications.

bug:13885501
Change-Id: Ic7275e3724a15efc7e5f80981560c4cb3106007b
3 files changed
tree: 394073356787e4745685e718d9144421fe34eb8d
  1. core/
  2. services/
  3. tests/