Handle bad WifiHAL implementation

wifi_initialize() may succeed even without any wlan. This crashes
the framework. This change handles such inconsistencies.

Bug: 18337642
Change-Id: I578e0d92ea6b981a1d61469a0f4e870d87843107
1 file changed
tree: 391e4570570db84d474844d609fe930d6f64504a
  1. service/