Merge changes I03150207,I0abe95e9,Ic99541c1,I06aa330f,I5941c3ac, ...

* changes:
  WiFiHAL: Sync with wpa_supplicant src/common/qca-vendor.h
  WiFiHAL: Remove unused param warnings in WifiEvent class
  WifiHAL: Free the stats received so far if requestResponse() fails
  Wifi-HAL: Move llstats freeing to a common API
  WiFi-Hal: Support new header of size 16-bytes for fate stats
  WiFi-Hal: Parse new event for packet fate stats