Add ColorSaturation to proto dump

Test: ColorSaturation is in the proto dump
Bug: 140917834
Change-Id: Ie3bde20f9717a2fe5c1b9a3d316cbed54e512a84
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index c7eb9c3..6fd1629 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -1930,6 +1930,11 @@
                                        [&]() { return layerInfo->mutable_visible_region(); });
         LayerProtoHelper::writeToProto(surfaceDamageRegion,
                                        [&]() { return layerInfo->mutable_damage_region(); });
+
+        if (hasColorTransform()) {
+            LayerProtoHelper::writeToProto(getColorTransform(),
+                                           layerInfo->mutable_color_transform());
+        }
     }
 
     if (traceFlags & SurfaceTracing::TRACE_EXTRA) {