Merge "[SP01] Add NetworkStats to system API" am: a113464439 am: b340068a3e

Change-Id: I771bf8836f9b754fc05fd743de8cc5a15aecddf1
tree: ac0e1236b1772984412ece333bfb24e49e12d325
  1. core/
  2. packages/
  3. services/
  4. wifi/