Merge "Add LinkProperties methods to system APIs" am: b64d2c9501 am: 80bcbcdeec am: 96c042b148

Change-Id: I39e9224206a43a85fecaf0956003cd4896ca0820
tree: 39bf00d43750cbe66c1e696d25aeb84949dec434
  1. core/
  2. services/
  3. tests/