Fix crash when cleaning up WifiScanner client before Wifi enabled am: 3040b86393
am: 82f4aada1c

Change-Id: Ia9ac0c45307ba6c52ae7192b37c56bc9f68ac0b1
tree: 8cdf70839684b8977a3fdb1f084c613fb91ed5cf
  1. service/
  2. tests/