Merge "Use -Werror in external/libyuv/files"
diff --git a/files/Android.bp b/files/Android.bp
index b9b07e5..7b2cc9f 100644
--- a/files/Android.bp
+++ b/files/Android.bp
@@ -75,6 +75,7 @@
     name: "libyuv_unittest",
     static_libs: ["libyuv"],
     shared_libs: ["libjpeg"],
+    cflags: ["-Wall", "-Werror"],
 
     srcs: [
         "unit_test/unit_test.cc",