Snap for 4386413 from 729352030c0178321ac0ecdc38bc61217219f5bb to pi-release

Change-Id: I95bda3caab90842255eec74105a45fffb3808863
diff --git a/Android.bp b/Android.bp
index 44cd399..0736aab 100644
--- a/Android.bp
+++ b/Android.bp
@@ -35,6 +35,7 @@
         "-ffunction-sections",
         "-fdata-sections",
         "-Wall",
+        "-Werror",
         "-Wno-unused-parameter",
         "-Wno-unused-variable",
         "-Dsecure_getenv=getenv",