Turn NightMode into a RRO controlled by prop
diff --git a/NightMode/Android.mk b/NightMode/Android.mk
index 0a763e2..48816a3 100644
--- a/NightMode/Android.mk
+++ b/NightMode/Android.mk
@@ -2,4 +2,6 @@
 include $(CLEAR_VARS)
 LOCAL_MODULE_TAGS := optional
 LOCAL_PACKAGE_NAME := treble-overlay-NightMode
+LOCAL_MODULE_PATH := $(TARGET_OUT)/overlay
+LOCAL_IS_RUNTIME_RESOURCE_OVERLAY := true
 include $(BUILD_PACKAGE)