Fix crash when cleaning up WifiScanner client before Wifi enabled

Change-Id: Ia212840fcf781740d5e185d3e3c2e30a477e25f0
Fixes: 29250616
2 files changed
tree: 1d35f378f578d8493b3656bb53b75a7a90fe8cb6
  1. service/
  2. tests/