WifiStack: Stop using UserManager.getProfiles()

Switch to the API/logic suggested in the associated bug to figure out if
2 userId's belong to the same profile.

Bug: 142024973
Test: atest com.android.server.wifi
Test: Device boots up & connects to wifi networks.
Change-Id: Id77b3e3e54769bee57a21f7c63ee7a87a28e4d04
10 files changed
tree: 805f731d63aff23dc11174d81f3bdb563a2f665a
  1. service/
  2. PREUPLOAD.cfg