SF: trace display power state

Bug: 267195714
Test: manual
Change-Id: If518fabf16d91c1a58f7b68a5f4de0629df90fec
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index eecfeb6..5a6221a 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -2498,6 +2498,7 @@
         if (!dropFrame) {
             refreshArgs.outputs.push_back(display->getCompositionDisplay());
         }
+        display->tracePowerMode();
         displayIds.push_back(display->getId());
     }
     mPowerAdvisor->setDisplays(displayIds);