Send CHANGE_REASON_CONFIG_CHANGE when recent failure status changes

This is needed by Settings to update the UI with the latest failure
messages.

Bug: 173350257
Test: atest com.android.server.wifi
Change-Id: I45f3bd3c36790abbe00181c5f7a748fd0ee09c25
2 files changed
tree: e2358134185cea5f7397de4caed9cbbd8f8d7cbf
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg