WifiVendorHal: Add callbacks for radio mode change detection

Plumb the radio change callbacks to WifiNative. We're interested in
collecting metrics for each of these radio mode changes.

Note: Plumbing to WifiNative and WifiMetrics will be taken up in follow
up CL's.

Bug: 69117051
Test: Unit tests
Test: Manually verified logs using STA + AP in DBS & SCC mode.
Change-Id: I6e49e9522b75d1661f1a8be2805f21d16a5b3bbe
3 files changed
tree: 01968f1818b9f15719ff8ccfbb2cb1f6b54307a5
  1. service/
  2. PREUPLOAD.cfg