Added log declaration to hardware_properties.h

Bug: 22407109
Change-Id: I99dc10b9cea03cc0d70a742c197497e9bcd17d21
diff --git a/modules/hardware_properties/hardware_properties.c b/modules/hardware_properties/hardware_properties.c
index 81675e0..89ef423 100644
--- a/modules/hardware_properties/hardware_properties.c
+++ b/modules/hardware_properties/hardware_properties.c
@@ -15,6 +15,11 @@
  */
 
 #include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define LOG_TAG "HardwarePropertiesHAL"
+#include <utils/Log.h>
 
 #include <hardware/hardware.h>
 #include <hardware/hardware_properties.h>