Write hostapd pid to a file am: fa798f237b
am: 62bade5796

Change-Id: Id1c65ee8a074fc39864f2a01db94330a6c02e01b
diff --git a/hostapd/hostapd.android.rc b/hostapd/hostapd.android.rc
index 1f5cbd0..83e8d87 100644
--- a/hostapd/hostapd.android.rc
+++ b/hostapd/hostapd.android.rc
@@ -14,6 +14,7 @@
         /data/misc/wifi/hostapd.conf
     class main
     user wifi
+    writepid /data/misc/wifi/hostapd.pid
     group wifi
     disabled
     oneshot