Merge changes from topic "wifi_overlay"

* changes:
  WifiService: Add @SystemApi for STA/AP MAC randomization
  WifiStack: Expose all wifi resources to be overlayed
  WifiStack: Formalize wifi resource usages
tree: bd70ace3548ae186fb785c9dfe2340d18357dac9
  1. service/
  2. PREUPLOAD.cfg