add parameters for Hotspot 2.0

Those parameters need to set for Hotspot 2.0 network

interworking=1 : Enable Interworking
hs20=1: Enable Hotspot 2.0
auto_interworking=0 : Do not automatically go through Interworking
                      network selection in wpa_supplicant
Bug: 118633353
Test: live test with Passpoint AP
Signed-off-by: Ecco Park <eccopark@google.com>

Change-Id: Ic2351295802265516f20466113c08e2df0796dfa
diff --git a/wpa_supplicant_overlay.conf b/wpa_supplicant_overlay.conf
index bb1906c..c750d3b 100644
--- a/wpa_supplicant_overlay.conf
+++ b/wpa_supplicant_overlay.conf
@@ -2,3 +2,6 @@
 p2p_disabled=1
 tdls_external_control=1
 bss_max_count=512
+interworking=1
+hs20=1
+auto_interworking=0