Wifi Framework Connected MAC Randomization Metrics

Record metrics related to Connected MAC Randomization feature.

1) Update whether the feature is turned on/off in metrics.
2) Trigger StaEvent whenever the device is dynamically changing its MAC
address.

Also, change MAC randomization logging in WifiStateMachine.

Bug: 73666905
Test: Unittest
Test: Manual check
Change-Id: I3a34d6adb877fa7c8738252363c4cc1921bb1d7e
4 files changed