Switch over to use ShillClient instead of NetworkClient

shill and apmanager is ready now on Brillo, so switch over to use
ShillClient.

Bug: 24575517
TEST=Setup dragonboard device using Nexus 6

Change-Id: I73ed3d55fb5688ddc80c07b8a24ed08d5958c539
4 files changed
tree: 92448199596996a113e6581e9073cc912dd09a7b
  1. buffet/
  2. .gitignore
  3. Android.mk
  4. weaved.rc