Merge "[SP02] Add provider interfaces to system API" am: 2220f75cdf am: c6487568ad

Change-Id: I569fbcc38f44221ff1be355e48ced65359f2e70f
tree: 87bf7ef369bf706d8ab155fe96a21acaa77bbfce
  1. core/
  2. packages/
  3. services/
  4. wifi/