Improve BssidBlocklistMonitor logging

1. Logs the results of updating the firmware roaming configurations.
2. Makes the meaning of existing log messages more clear.

Bug: 175627085
Bug: 172180490
Test: atest com.android.server.wifi
Test: Manual verification with adb commands
Change-Id: Ic9ba3ec19bb43e84c5f4505de3e17fadf1391e34
2 files changed
tree: 7dc5f46c0e385f00e4627dd1d5427a2a8af869f3
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg