tuna: wlan: Add wpa_supplicant overlay file support

Bug: 8725307

Change-Id: I4bfe6887086517f0901033b3b68ad39e0999ab16
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/init.tuna.rc b/init.tuna.rc
index 8540f8c..45e6444 100755
--- a/init.tuna.rc
+++ b/init.tuna.rc
@@ -176,8 +176,11 @@
     class late_start
 
 service p2p_supplicant /system/bin/wpa_supplicant \
-	-iwlan0 -Dnl80211 -c/data/misc/wifi/wpa_supplicant.conf -N \
-	-ip2p0 -Dnl80211 -c/data/misc/wifi/p2p_supplicant.conf -e/data/misc/wifi/entropy.bin -puse_p2p_group_interface=1
+	-iwlan0 -Dnl80211 -c/data/misc/wifi/wpa_supplicant.conf \
+	-I/system/etc/wifi/wpa_supplicant_overlay.conf -N \
+	-ip2p0 -Dnl80211 -c/data/misc/wifi/p2p_supplicant.conf \
+	-I/system/etc/wifi/wpa_supplicant_overlay.conf \
+	-e/data/misc/wifi/entropy.bin -puse_p2p_group_interface=1
 	#   we will start as root and wpa_supplicant will switch to user wifi
 	#   after setting up the capabilities required for WEXT
 	#   user wifi
@@ -188,7 +191,9 @@
 	oneshot
 
 service wpa_supplicant /system/bin/wpa_supplicant \
-	-iwlan0 -Dnl80211 -c/data/misc/wifi/wpa_supplicant.conf -e/data/misc/wifi/entropy.bin
+	-iwlan0 -Dnl80211 -c/data/misc/wifi/wpa_supplicant.conf \
+	-I/system/etc/wifi/wpa_supplicant_overlay.conf \
+	-e/data/misc/wifi/entropy.bin
 	#   we will start as root and wpa_supplicant will switch to user wifi
 	#   after setting up the capabilities required for WEXT
 	#   user wifi