resolve merge conflicts of d5c734a6 to master

Change-Id: I034b25a5ec735098cd1dc675af3525172888e77d
tree: 7b1f7b4aff4d562bc84718e6eef1fa6f92fbeba3
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/