softap: Update LOHS API usage

Use SoftApConfiguration to replace WifiConfiguration
1. Deprecate public old getWifiConfiguration API.
2. Add new API getSoftApConfiguration in LocalOnlyHotspotReservation

The new security type SAE and SAE Transition mode support in Soft Ap,
Return null config when LOHS enable and security type is SAE or SAE Transition mode.

Bug: 138801922
Bug: 142752869
Test: atest frameworks/base/wifi/tests/
Test: atest android.net.wifi.cts.WifiManagerTest#testStartLocalOnlyHotspotSingleRequestByApps
Test: atest android.net.wifi.cts.WifiManagerTest#testStartLocalOnlyHotspotSuccess
Test: atest android.net.wifi.cts.WifiManagerTest#testStartLocalOnlyHotspotWithConfig
Change-Id: I32fbceff03b3821dde4f05356abb7f1645b90127