SF: Support display mirroring with new frontend

Bug: 238781169
Test: presubmit
Change-Id: I569822bd1dd70e2b0b660042329abb27f263dc66
diff --git a/services/surfaceflinger/FrontEnd/LayerSnapshot.h b/services/surfaceflinger/FrontEnd/LayerSnapshot.h
index 4512ade..159410f 100644
--- a/services/surfaceflinger/FrontEnd/LayerSnapshot.h
+++ b/services/surfaceflinger/FrontEnd/LayerSnapshot.h
@@ -84,6 +84,7 @@
     gui::GameMode gameMode;
     scheduler::LayerInfo::FrameRate frameRate;
     ui::Transform::RotationFlags fixedTransformHint;
+    bool handleSkipScreenshotFlag = false;
     ChildState childState;
 
     static bool isOpaqueFormat(PixelFormat format);