Snap for 4410151 from cbadad8ff01aabd891c9ec47655650a0f427fbb2 to pi-release

Change-Id: I9efd298760cdcbab737d25dd8e16b24527fe1ee3
diff --git a/benchmarks/Android.mk b/benchmarks/Android.mk
index 1df6798..3f481cb 100644
--- a/benchmarks/Android.mk
+++ b/benchmarks/Android.mk
@@ -20,6 +20,8 @@
 LOCAL_SRC_FILES := \
     msgq_benchmark_client.cpp
 
+LOCAL_CFLAGS := -Wall -Werror
+
 LOCAL_SHARED_LIBRARIES := \
     libhwbinder \
     libbase \