diff --git a/prebuilts/api/29.0/public/property_contexts b/prebuilts/api/29.0/public/property_contexts
index 4fb06a1..4572c15 100644
--- a/prebuilts/api/29.0/public/property_contexts
+++ b/prebuilts/api/29.0/public/property_contexts
@@ -390,4 +390,5 @@
 ro.surface_flinger.protected_contents u:object_r:exported_default_prop:s0 exact bool
 ro.surface_flinger.set_idle_timer_ms u:object_r:exported_default_prop:s0 exact int
 ro.surface_flinger.set_touch_timer_ms u:object_r:exported_default_prop:s0 exact int
+ro.surface_flinger.support_kernel_idle_timer u:object_r:exported_default_prop:s0 exact bool
 ro.surface_flinger.use_smart_90_for_video u:object_r:exported_default_prop:s0 exact bool
diff --git a/public/property_contexts b/public/property_contexts
index 4fb06a1..4572c15 100644
--- a/public/property_contexts
+++ b/public/property_contexts
@@ -390,4 +390,5 @@
 ro.surface_flinger.protected_contents u:object_r:exported_default_prop:s0 exact bool
 ro.surface_flinger.set_idle_timer_ms u:object_r:exported_default_prop:s0 exact int
 ro.surface_flinger.set_touch_timer_ms u:object_r:exported_default_prop:s0 exact int
+ro.surface_flinger.support_kernel_idle_timer u:object_r:exported_default_prop:s0 exact bool
 ro.surface_flinger.use_smart_90_for_video u:object_r:exported_default_prop:s0 exact bool