Fix my-dir issue

Change-Id: I9c93a273328ac0c6e96f27870b890a16d18479a5
diff --git a/modules/sensors/Android.mk b/modules/sensors/Android.mk
index 5b787d4..65f699b 100644
--- a/modules/sensors/Android.mk
+++ b/modules/sensors/Android.mk
@@ -49,4 +49,4 @@
 
 endif # USE_SENSOR_MULTI_HAL
 
-include $(call all-subdir-makefiles)
+include $(call all-makefiles-under, $(LOCAL_PATH))