Wifi: DPP STA Enrollee-Responder mode

Added below APIs for DPP STA Enrollee-Responder mode
1. API to start DPP in Enrollee-Responder mode
2. API to generate DPP bootstrap URI
3. API to stop DPP in Enrollee-Responder mode
which internally remove the bootstrap and stop listen.

Bug: 162686712
Test: act.py -c <dpp config file> -tc WifiDppTest
Change-Id: I9c7f25362b38ce1acffe35abf8600d33c054614a
diff --git a/wpa_supplicant/android.config b/wpa_supplicant/android.config
index b11e371..3c0431b 100644
--- a/wpa_supplicant/android.config
+++ b/wpa_supplicant/android.config
@@ -533,8 +533,9 @@
 # Opportunistic Wireless Encryption (OWE)
 CONFIG_OWE=y
 
-# Easy Connect (Device Provisioning Protocol - DPP R1)
+# Easy Connect (Device Provisioning Protocol - DPP R1 & R2)
 CONFIG_DPP=y
+CONFIG_DPP2=y
 
 # WPA3-Personal (SAE)
 CONFIG_SAE=y