[DO NOT MERGE] WifiStateMachine: better handle disconnect am: 225b5d3d3d am: e99577c248
am: 5e4bcea1eb  -s ours

Change-Id: I75cf75612fb58b73d96e8442b3a3861913c4d79a
tree: faa5ebe78da5c27c2defca94ca7c57d10982f9eb
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/