[SF] Set RefreshRateOverlay enable status to HWC

Update the RefreshRateOverlay with the refresh
rate received from the HWC callback.

Test: Device boots, existing overlay works with SF
manual test with the patch of the HWC
Ibc80d66eae6b21c3cf84d35fa819e97ccc509ede

BUG: 202734676
Change-Id: I94bda4d054d878b173eb594d5c71e2f83459a20a
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 433606a..a97144a 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -680,6 +680,9 @@
     } else if ((mDrawingState.flags & layer_state_t::eLayerIsDisplayDecoration) != 0) {
         snapshot->compositionType =
                 aidl::android::hardware::graphics::composer3::Composition::DISPLAY_DECORATION;
+    } else if ((mDrawingState.flags & layer_state_t::eLayerIsRefreshRateIndicator) != 0) {
+        snapshot->compositionType =
+                aidl::android::hardware::graphics::composer3::Composition::REFRESH_RATE_INDICATOR;
     } else {
         // Normal buffer layers
         snapshot->hdrMetadata = mBufferInfo.mHdrMetadata;