Fix driver stop handling
Fix driver stop handling

Defer supplicant state change event so we do not miss it

Bug: 7394390
Change-Id: Ibae6cef6be42a6cb45dc20ba4fa5060d8e459217

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base