Snap for 4442369 from ed7db04ba28abd4cde74af22dc439aa252be49bc to pi-release

Change-Id: Iceb2bdd71856924cd140a6fdd8bf44512d7fc021
diff --git a/src/Android.mk b/src/Android.mk
index a049c9d..1482056 100644
--- a/src/Android.mk
+++ b/src/Android.mk
@@ -14,6 +14,7 @@
    wsbm_userpool.c
 
 LOCAL_CFLAGS += -DHAVE_CONFIG_H
+LOCAL_CFLAGS += -Wall -Werror
 LOCAL_C_INCLUDES :=            \
    $(LOCAL_PATH)/../       \
    $(TARGET_OUT_HEADERS)/drm \