hotspot2: save and load Passpoint configurations to/from config store

Bug: 31065385
Test: frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Test: install Boingo Passpoint profile on an angler, verify
      the profile persist over boot and automatically connect
      after boot

Change-Id: I026cd52c01702babcbe3c761437fc340260e5fe5
4 files changed
tree: 9fdfc6fa7aeb038688db4f388a4d8761d4eda428
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/
  5. PREUPLOAD.cfg