[DPP] Replace HAL interface onSuccess with onSuccessConfigSent

Following ANAPIC Review:
onSuccess callback was returning only a single status code, CONFIGURATION_SENT.
Renamed the callback to onSuccessConfigSent and eliminated the status code.

Bug: 124459312
Test: atest DppManagerTest
Test: atest SupplicantStaIfaceHalTest
Test: act.py -c ../WifiDppConfig.json -tc WifiDppTest
Test: vts-tradefed run commandAndExit vts --skip-all-system-status-check --primary-abi-only --skip-preconditions --module VtsHalWifiSupplicantV1_2Host
Change-Id: I4d7c5732ded55902b1f235d40d3babe3be372bf7
diff --git a/wifi/supplicant/1.2/ISupplicantStaIfaceCallback.hal b/wifi/supplicant/1.2/ISupplicantStaIfaceCallback.hal
index 5d5cccf..3eac398 100644
--- a/wifi/supplicant/1.2/ISupplicantStaIfaceCallback.hal
+++ b/wifi/supplicant/1.2/ISupplicantStaIfaceCallback.hal
@@ -37,7 +37,7 @@
     /**
      * Indicates DPP configuration sent success event (Configurator mode).
      */
-    oneway onDppSuccess(DppSuccessCode code);
+    oneway onDppSuccessConfigSent();
 
     /**
      * Indicates a DPP progress event.