grouper: wlan: Add wpa_supplicant overlay file support

Bug: 8725307

Change-Id: Icb10617f8514070745f53f45d88f695fc6f2e05e
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/init.grouper.rc b/init.grouper.rc
index 72ad1e6..aa1cbbd 100644
--- a/init.grouper.rc
+++ b/init.grouper.rc
@@ -288,7 +288,9 @@
     start touch_fw_update
 
 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
@@ -299,8 +301,11 @@
     oneshot
 
 service p2p_supplicant /system/bin/wpa_supplicant \
-    -iwlan0 -Dnl80211 -iwlan0 -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 -iwlan0 -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