Merge changes from topics "wifi_oem_migration", "wifi_scan_throttle_api"

* changes:
  WifiOemConfigStoreMigrationDataHolder: Use the renamed class/method
  WifiServiceImpl: Add new API for scan throttle toggle
tree: 3fdd45cccb894bda4d11a9d1d586a1e31438a568
  1. apex/
  2. service/
  3. PREUPLOAD.cfg