Stop using the system's securebits.h include.

This is causing brillo_Minijail to fail in the lab. See b/27632733 for
details.

Bug: 27632845
Bug: 27632733
Change-Id: I8301961dc51c3692425f79856976c19669b0472f
diff --git a/Android.mk b/Android.mk
index 9be2907..82f4c29 100644
--- a/Android.mk
+++ b/Android.mk
@@ -24,7 +24,9 @@
 	syscall_filter.c \
 	util.c
 
-minijailCommonCFlags := -DHAVE_SECUREBITS_H -Wall -Werror
+# TODO(b/27632733): Re-enable including the system's <linux/securebits.h>.
+#minijailCommonCFlags := -DHAVE_SECUREBITS_H -Wall -Werror
+minijailCommonCFlags := -Wall -Werror
 minijailCommonLibraries := libcap
 
 # Android devices running kernel version < 3.8 are not required to