Interpret scan-failed event from wpa_supplicant

Scans can fail if there are other scans going on in the
firmware. We can only find out about such failures from
supplicant (it prints out a failure event).

Bug: 20192693

Change-Id: I03fe60bb569430c041258c3a4ab8da2d6b5e9ff2
3 files changed
tree: 7f66091d6e6e46a733806a58845df22341a21c5b
  1. service/