wifi: WifiManager API change for supporting Passpoint Release 2

The changes include:
- Split WNM notifications intent to dedicated intent for each
  event: Deauth Imminent Notice and Subscription Remediation
- Add intent for broadcast OSU Providers List
- Update Passpoint icon intent definitions to conform to the
  API guide
- Make WifiManager#queryPasspointIcon public

All added/updated intents will required receiver to have
android.Manifest.permission.ACCESS_WIFI_STATE in order to
receive the intents.

The deprecated hidden intent definitions will be removed once
the WifiService is updated to use the new intents.

Bug: 34198926
Test: make -j32
Change-Id: If28a5710f68271069c663a953538f920512e3240
Merged-In: Ic17eef8364d79144eb530c68c6877712efcb5209