SF: Move clearClientTarget to compositionInfo

Bug: 112259502
Test: cts -m CtsViewTestCases
      SurfaceFlinger_test
      vrflinger_test
Change-Id: I71ce3dbe2fe95e774e0bfcd89c7298056eb06304
diff --git a/services/surfaceflinger/LayerBE.h b/services/surfaceflinger/LayerBE.h
index 5ebc096..3055621 100644
--- a/services/surfaceflinger/LayerBE.h
+++ b/services/surfaceflinger/LayerBE.h
@@ -54,6 +54,7 @@
         sp<NativeHandle> sidebandStream;
         ui::Dataspace dataspace;
         hwc_color_t color;
+        bool clearClientTarget = false;
     } hwc;
     struct {
         Mesh* mesh;