Make some of the common driver commands scan/disconnect/reconnect/reassociate
asynchronous. We already have broadcasts to indicate results.
Change-Id: I343c6be077fb11a3d488e586ab10ab2373b269d8
Add asynchronous API for simplified connect, save
and remove.
Add a SUPPLICANT_CONFIG_CHANGED_ACTION broadcast to
notifiy a supplicant configuration change.
Change-Id: I69ae116246094de4a469cb2af5baf37e5ad4d6dd