Add ro.surface_flinger.enable_adpf_cpu_hint sysprop to sepolicy

Add new sysprop to control adpf cpu hints for surfaceflinger

Bug: b/195990840
Test: n/a
Change-Id: I5460e4668a2d69af194649ec076489de22caa348
diff --git a/private/property_contexts b/private/property_contexts
index a4a8d40..cd880d3 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -1196,6 +1196,7 @@
 ro.surface_flinger.color_space_agnostic_dataspace         u:object_r:surfaceflinger_prop:s0 exact int
 ro.surface_flinger.refresh_rate_switching                 u:object_r:surfaceflinger_prop:s0 exact bool
 ro.surface_flinger.update_device_product_info_on_hotplug_reconnect u:object_r:surfaceflinger_prop:s0 exact bool
+ro.surface_flinger.enable_adpf_cpu_hint                   u:object_r:surfaceflinger_prop:s0 exact bool
 ro.surface_flinger.enable_frame_rate_override             u:object_r:surfaceflinger_prop:s0 exact bool
 ro.surface_flinger.enable_layer_caching                   u:object_r:surfaceflinger_prop:s0 exact bool
 ro.surface_flinger.display_update_imminent_timeout_ms     u:object_r:surfaceflinger_prop:s0 exact int