Add futimens.

Bug: 10239370
Change-Id: I518340084103dc339ef8a065d4837d6258a1381d
diff --git a/tests/Android.mk b/tests/Android.mk
index efee17b..177e452 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -80,6 +80,7 @@
     string_test.cpp \
     strings_test.cpp \
     stubs_test.cpp \
+    sys_stat_test.cpp \
     system_properties_test.cpp \
     time_test.cpp \
     unistd_test.cpp \