Add camera.disable_preview_scheduler property

Test: Build and boot
Bug: 200306379
Change-Id: I7d0b40de33a2d19c88322eacefe9d7342d55a6f4
diff --git a/private/property_contexts b/private/property_contexts
index 040ffe6..34f6dff 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -337,6 +337,7 @@
 
 config.disable_cameraservice u:object_r:camera_config_prop:s0 exact bool
 
+camera.disable_preview_scheduler u:object_r:camera_config_prop:s0 exact bool
 camera.disable_zsl_mode       u:object_r:camera_config_prop:s0 exact bool
 camera.fifo.disable           u:object_r:camera_config_prop:s0 exact bool
 ro.camera.notify_nfc          u:object_r:camera_config_prop:s0 exact bool