WifiNative: Use Vendor HAL for mode change am: 3a0679d411 am: 192c3a219f
am: f368fff8ac

Change-Id: Ib880f2356eaafebbf4967c95eab7d061084c84a3
tree: ca4727e79524deb3a1473c08522b2a2dca8b368d
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg