Detect whether vendor has an hostapd by checking manifest

rw-system.sh

@@ -438,3 +438,21 @@ if [ -c /dev/dsm ];then
     chcon u:object_r:teecd_data_file_system:s0 /data/sec_storage_data
     mount /data/sec_storage_data /sec_storage
 fi
+
+#Try to detect DT2W
+for ev in $(cd /sys/class/input;echo event*);do
+	if [ -f "/sys/class/input/$ev/device/device/gesture_mask" ];then
+		setprop persist.sys.phh.dt2w_evnode /dev/input/$ev
+	fi
+done
+
+has_hostapd=false
+for i in odm oem vendor product;do
+    if grep -qF android.hardware.wifi.hostapd /$i/etc/vintf/manifest.xml;then
+        has_hostapd=true
+    fi
+done
+
+if [ "$has_hostapd" = false ];then
+    setprop persist.sys.phh.system_hostapd true
+fi