[sf] make enable_layer_lifecycle_manager sysprop persistent

Test: confirm sysprop survives reboot
Bug: 238781169
Change-Id: I0e9a146b1ce6eb4a74f1903f534c94faddc0a387
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 5c8579c..b488121 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -473,7 +473,7 @@
             {.late = base::GetBoolProperty("debug.sf.send_late_power_session_hint"s, true),
              .early = base::GetBoolProperty("debug.sf.send_early_power_session_hint"s, false)};
     mLayerLifecycleManagerEnabled =
-            base::GetBoolProperty("debug.sf.enable_layer_lifecycle_manager"s, false);
+            base::GetBoolProperty("persist.debug.sf.enable_layer_lifecycle_manager"s, false);
     mLegacyFrontEndEnabled = !mLayerLifecycleManagerEnabled ||
             base::GetBoolProperty("debug.sf.enable_legacy_frontend"s, true);
 }