Add AID for Secure Element Application

Test: Test if the correct uid is assigned to the application
Change-Id: Ib0302a2e90ae89499ecbcebffa393bdd037adfbe
diff --git a/libcutils/include/private/android_filesystem_config.h b/libcutils/include/private/android_filesystem_config.h
index 5753e49..fc354f1 100644
--- a/libcutils/include/private/android_filesystem_config.h
+++ b/libcutils/include/private/android_filesystem_config.h
@@ -125,6 +125,7 @@
 #define AID_RESERVED_DISK 1065   /* GID that has access to reserved disk space */
 #define AID_STATSD 1066          /* statsd daemon */
 #define AID_INCIDENTD 1067       /* incidentd daemon */
+#define AID_SECURE_ELEMENT 1068  /* secure element subsystem */
 /* Changes to this file must be made in AOSP, *not* in internal branches. */
 
 #define AID_SHELL 2000 /* adb and debug shell user */