libbinder: stop exporting kernel headers

Bug: 124524556
Test: build only
Change-Id: Iab9cf62dc413c728e2cf0bccb909377a03760e25
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index 5f8887b..eaca493 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -28,6 +28,7 @@
 #include <binder/IPCThreadState.h>
 #include <binder/IServiceManager.h>
 
+#include <private/binder/binder_module.h>
 #include <sys/epoll.h>
 
 #define ARRAY_SIZE(array) (sizeof array / sizeof array[0])