[sf] fix snapshot updates for mirror layers

Ensure we update the mirrored snapshots when they are
created.

Test: atest CtsSurfaceControlTests
Bug: 238781169

Change-Id: I245702f8b521745ba59f0f993bcaef90d0cdbe9a
diff --git a/services/surfaceflinger/FrontEnd/LayerLog.h b/services/surfaceflinger/FrontEnd/LayerLog.h
index 47e1e30..4943483 100644
--- a/services/surfaceflinger/FrontEnd/LayerLog.h
+++ b/services/surfaceflinger/FrontEnd/LayerLog.h
@@ -25,3 +25,5 @@
 #else
 #define LLOGV(LAYER_ID, x, ...) ALOGV("[%d] %s " x, (LAYER_ID), __func__, ##__VA_ARGS__);
 #endif
+
+#define LLOGD(LAYER_ID, x, ...) ALOGD("[%d] %s " x, (LAYER_ID), __func__, ##__VA_ARGS__);