diff --git a/tests/testables/Android.mk b/tests/testables/Android.mk
index 759bc3555fa11..0e36981e37166 100644
--- a/tests/testables/Android.mk
+++ b/tests/testables/Android.mk
@@ -31,3 +31,5 @@ LOCAL_STATIC_JAVA_LIBRARIES := \
 LOCAL_JAVA_LIBRARIES := android.test.runner
 
 include $(BUILD_STATIC_JAVA_LIBRARY)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))