Android 8.0.0 release 29
Merge cherrypicks of [2830107, 2830861, 2828443, 2830367, 2830108, 2830109, 2830110, 2830111, 2830592] into oc-r2-release

Change-Id: Ied9278164d85bf50963fc964e09d739ccad7b5e4
tree: b61689f3194594bcf68130495a2c87eed817a6a1
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg