Merge "Use -Werror in external/expat"
diff --git a/Android.bp b/Android.bp
index f75bfbb..320025c 100644
--- a/Android.bp
+++ b/Android.bp
@@ -18,6 +18,7 @@
     ],
     cflags: [
         "-Wall",
+        "-Werror",
         "-Wmissing-prototypes",
         "-Wstrict-prototypes",
         "-Wno-unused-parameter",