hotspot2: cache ScanDetail for Passpoint network

When a new WifiConfiguration is created/added for a Passpoint network,
we need to cache the initial ScanDetail for it.  So that others can
get more detail information about the network (e.g. NetworkDetail)
when needed.

Bug: 34735964
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: Ia8ee3fef2eab3c4bcd81c23a0adf9b805abaaf6f
3 files changed
tree: 15d6790eb0d5a1e82dafb86300ce370eb87ab51d
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg