Log AP manager events and WPA events to audit log

[corbin-phipps]

Type

• Bug fix
• Feature addition
• Feature update
• Documentation
• Build Infrastructure

Side Effects

• Breaking change
• Non-functional change

Goals

This PR adds additional logging to the audit log, specifically for events. This includes WPA events from Hostapd::OnWpaEvent and AP manager events from AccessPointManager::AddAccessPoint and AccessPointManager::RemoveAccessPoint.

Technical Details

• Added additional AUDIT_LOG* lines for events.

Test Results

TBD

Reviewer Focus

Are there any other places where it would be useful to log stuff to the audit log?

Future Work

None.

Checklist

• Build target all compiles cleanly.
• clang-format and clang-tidy deltas produced no new output.
• Newly added functions include doxygen-style comment block.