Fix strace build after merge.

Change-Id: Idd96739bb6ab69b4cac55f755309b6724b49b841
diff --git a/Android.mk b/Android.mk
index 8854558..3e5af80 100644
--- a/Android.mk
+++ b/Android.mk
@@ -74,6 +74,7 @@
     strace.c \
     stream.c \
     syscall.c \
+    sysinfo.c \
     system.c \
     term.c \
     time.c \