[SF] Add sysprop to enable vrr config

Test: manual with adb shell setprop ro.surface_flinger.enable_vrr_config true
BUG: 284845445
Change-Id: I36e2e132021e9ac17e1d928e754c6df54bdc29d3
diff --git a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
index e378946..b06723d 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
+++ b/services/surfaceflinger/Scheduler/RefreshRateSelector.cpp
@@ -38,6 +38,7 @@
 
 #include "../SurfaceFlingerProperties.h"
 #include "RefreshRateSelector.h"
+#include "Utils/FlagUtils.h"
 
 #include <com_android_graphics_surfaceflinger_flags.h>
 
@@ -114,7 +115,7 @@
     using fps_approx_ops::operator/;
     // use signed type as `fps / range.max` might be 0
     auto start = std::max(1, static_cast<int>(peakFps / range.max) - 1);
-    if (flags::vrr_config()) {
+    if (flagutils::vrrConfigEnabled()) {
         start = std::max(1,
                          static_cast<int>(vsyncRate /
                                           std::min(range.max, peakFps, fps_approx_ops::operator<)) -