resolve merge conflicts of 2619fd5 to master

Change-Id: Idd8dd35ab210e6b6cf3f25bd0d58e8d9b7ac9da5
tree: 245392856ebeffb0602ad75bfc6745649918d1ae
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/