Allow skipping camera layers for HDR callback

Bug: 218728138
Test: make; verified callback didn't change for youtube HDR
Change-Id: I3ee4999d221052be5d8d093033b90bfe6b3aa87e
diff --git a/services/surfaceflinger/SurfaceFlingerProperties.h b/services/surfaceflinger/SurfaceFlingerProperties.h
index 8d0e426..080feee 100644
--- a/services/surfaceflinger/SurfaceFlingerProperties.h
+++ b/services/surfaceflinger/SurfaceFlingerProperties.h
@@ -100,6 +100,8 @@
 
 bool enable_sdr_dimming(bool defaultValue);
 
+bool ignore_hdr_camera_layers(bool defaultValue);
+
 } // namespace sysprop
 } // namespace android
 #endif // SURFACEFLINGERPROPERTIES_H_