Check WiFi restrictions for WiFi QR code intent

- If WiFi configuration is not allowed, the WiFi QR code intent is
ignored.

- Add SafetyNet Logging to b/202017876.

Bug: 202017876
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=WifiDppEnrolleeActivityTest

Change-Id: I147d2f4f4fabe2e24d5d3eaaad701b81059e8eee