WifiVendorHal: Re-register iface available callback after HAL stop

Bug: 148942520
Bug: 148764406
Test: Device boots up and connects to wifi networks.
Test: Verified that AP band is set to 5Ghz preferred when wifi is on.
Change-Id: I031fdc20bb30ea21b06701c9a37be41d04dd0733
3 files changed
tree: 0e1b7d952e3c5ee12901e4aa3177f88f74df3d23
  1. apex/
  2. service/
  3. PREUPLOAD.cfg