Build with -Wall and -Werror.

Test: pass
Change-Id: I0b14bfca491b67883bdff079b2e863db4691b635
diff --git a/libhidlmemory/Android.bp b/libhidlmemory/Android.bp
index 8f27065..2b47483 100644
--- a/libhidlmemory/Android.bp
+++ b/libhidlmemory/Android.bp
@@ -14,6 +14,7 @@
 
 cc_library_shared {
     name: "libhidlmemory",
+    cflags: libhidl_flags,
     shared_libs: [
         "libbase",
         "liblog",