Support for Passpoint WNM notifications

Added support for Passpoint WNM notifications:

* Remediation (already existed - needed cleanup)
* Deauth imminent
* Terms & Conditions acceptance

WNM notifications are generated by SupplicantStaIfaceCallback,
which initalize the correct WnmData object, and WifiMonitor
broadcasts the event to listeners (ClinetModeImpl).

Bug: 172688220
Test: atest WifiMonitorTest
Change-Id: Iedfe3505d32d2ef087d489d504c41da6a25b89f2
6 files changed
tree: e105503b3a9a7633f12963981cf24ff325a81db5
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg