[automerger skipped] Add a systemapi constructor for NetworkAgent am: 1a8802b0e1 am: de6d7d5a25 am: b92adf5eae -s ours
am skip reason: Change-Id I288ea32fac07a9a486e2ea451a2c9b098446a74c with SHA-1 124ecc47bf is in history

Change-Id: I5e28684a0aa3734b53b1316823b179b9895d0793
tree: cd6f7e2f2d6ca3166d5abb78914410b29f3804f5
  1. core/
  2. services/
  3. tests/