readdir_r is deprecated.

Bug: http://b/32678321
Test: builds, boots
Change-Id: Iaaca5175180c6a7ff9f29b57c09f82a5de6084b3
diff --git a/Android.mk b/Android.mk
index b3a38f8..e234891 100644
--- a/Android.mk
+++ b/Android.mk
@@ -19,7 +19,9 @@
   -D_FILE_OFFSET_BITS=64 \
   -D_LARGEFILE_SOURCE \
   -include sys/sysmacros.h \
-  -Wall -Werror -Wno-sign-compare \
+  -Wall -Werror \
+  -Wno-deprecated-declarations \
+  -Wno-sign-compare \
 
 # Build the shared library.
 include $(CLEAR_VARS)