sdm: Add display property  to disable idle for hdr

CRs-Fixed: 2600673
Change-Id: I310e7eea8dcb96a39fe9da6357e82496c05e894b
diff --git a/include/display_properties.h b/include/display_properties.h
index 36d7d59..cd3fbf2 100644
--- a/include/display_properties.h
+++ b/include/display_properties.h
@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2018 - 2020, The Linux Foundation. All rights reserved.
+* Copyright (c) 2018 - 2020 The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
@@ -131,5 +131,6 @@
 #define ENABLE_FORCE_SPLIT                   DISPLAY_PROP("enable_force_split")
 #define DEFER_FPS_FRAME_COUNT                DISPLAY_PROP("defer_fps_frame_count")
 #define DISABLE_IDLE_TIME_VIDEO              DISPLAY_PROP("disable_idle_time_video")
+#define DISABLE_IDLE_TIME_HDR                DISPLAY_PROP("disable_idle_time_hdr")
 
 #endif  // __DISPLAY_PROPERTIES_H__