Snap for 4386413 from 2655771fbcf80ef5cab8192b9409f697da9d8c0a to pi-release

Change-Id: I9070df5160a9d7793701a347fc1ca876ac278af0
diff --git a/Android.bp b/Android.bp
index 9bfb163..35705d9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -14,6 +14,7 @@
     ],
 
     cflags: [
+        "-Werror",
         "-Wno-format",
         "-Wno-sign-compare",
         "-Wno-unused-parameter",