Handle loss of supplicant events at start

If the supplicant events are lost even before connection,
we stay stuck without doing IP address.
The earlier implementation used polling at connection to handle
this case.
A disconnect after connection handles this cleanly.

Bug: 2876987
Change-Id: I7509c5f332f87b91e1ff8438cf859a0e49df2e6d
1 file changed