Fix bugs around manager fetching.
am: 4d0c50e6c8

Change-Id: I96601fcfac88128a971880771c30596b91172f27
tree: afa97ebcaea9af0215c472f0fb0c72c78f9b1002
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/