[NAN] Update link properties after creating agent.

Separate creation of agent from setting link properties. Results
in correct invocation of both OnAvailable() and OnLinkPropertiesChanged()
callbacks.

Bug: 30113801
Change-Id: I0447e286132bbcf40f297495a6e88973bd2e08f3
1 file changed
tree: ac6e584cd27316df0e7cc2b77bd9119f1e459988
  1. service/
  2. tests/