WifiNative: Use Vendor HAL for mode change

Restructure the WifiNative setup/teardown operations so that vendor HAL
can start & configure the chip in the correct mode and then inform
wificond about it.

Bug: 35765841
Test: Will send for integration tests.
Change-Id: I14ef0011117f83bed99c21fb459f00263a90a793
4 files changed
tree: 01764f487051ca9da08e64b0776163a31fb4d3b4
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg