resolve merge conflicts of cebad71 to master

Change-Id: I9d7656a52838045aa770bb47c2b72076057e5045
tree: 8c6499bb2c04fbacb7f853135cdc309e7f56d79a
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/