Snap for 4393550 from e1fa89c56893352381e6c59b38a3412b087c3f91 to pi-release

Change-Id: I6c3a62e59107552f9ba234600817717a2ce1b2e0
diff --git a/Android.mk b/Android.mk
index d4664d4..c3d8283 100644
--- a/Android.mk
+++ b/Android.mk
@@ -5,6 +5,12 @@
 INCLUDES = $(LOCAL_PATH)
 INCLUDES += external/libnl/include
 
+LOCAL_CFLAGS := \
+    -Wall -Werror \
+    -Wno-format \
+    -Wno-unused-parameter \
+    -Wno-unused-variable \
+
 ifdef HAVE_LIBNL20
 LOCAL_CFLAGS += -DHAVE_LIBNL20
 endif