[automerger skipped] Add a systemapi constructor for NetworkAgent am: 6dc9854996 am: b9e9fcbc88 am: 9460f658e4 -s ours
am skip reason: Change-Id I288ea32fac07a9a486e2ea451a2c9b098446a74c with SHA-1 3b680ae1e6 is in history

Change-Id: I5e28684a0aa3734b53b1316823b179b9895d0793