Android N MR2 Preview 2
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
tree: 2565e860ca0182f86531a6c1a2448bc1f6b93a8f
  1. cld80211-lib/
  2. qcwcn/
  3. Android.mk