Set refresh rate stats correctly on SF initialization.

Otherwise when peak refresh rate is disabled we incorrectly report that
the device is running at 90hz.

Bug: 129015309
Test: dumpsys
Change-Id: I426720949332ab702b0712a4fc14ed588be54ad9
diff --git a/services/surfaceflinger/Scheduler/RefreshRateStats.h b/services/surfaceflinger/Scheduler/RefreshRateStats.h
index 2491081..d4ae330 100644
--- a/services/surfaceflinger/Scheduler/RefreshRateStats.h
+++ b/services/surfaceflinger/Scheduler/RefreshRateStats.h
@@ -147,7 +147,7 @@
     // Aggregate refresh rate statistics for telemetry.
     std::shared_ptr<TimeStats> mTimeStats;
 
-    int64_t mCurrentConfigMode = 0;
+    int64_t mCurrentConfigMode = SCREEN_OFF_CONFIG_ID;
     int32_t mCurrentPowerMode = HWC_POWER_MODE_OFF;
 
     std::unordered_map<int /* power mode */, int64_t /* duration in ms */> mConfigModesTotalTime;
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index f6251b8..6ee64e0 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -738,6 +738,7 @@
     mRefreshRateStats =
             std::make_unique<scheduler::RefreshRateStats>(mRefreshRateConfigs[*display->getId()],
                                                           mTimeStats);
+    mRefreshRateStats->setConfigMode(getHwComposer().getActiveConfigIndex(*display->getId()));
 
     ALOGV("Done initializing");
 }
diff --git a/services/surfaceflinger/tests/unittests/RefreshRateStatsTest.cpp b/services/surfaceflinger/tests/unittests/RefreshRateStatsTest.cpp
index b7e55f4..10f5af8 100644
--- a/services/surfaceflinger/tests/unittests/RefreshRateStatsTest.cpp
+++ b/services/surfaceflinger/tests/unittests/RefreshRateStatsTest.cpp
@@ -109,6 +109,7 @@
     EXPECT_LT(screenOff, times["ScreenOff"]);
     EXPECT_EQ(0, times["90fps"]);
 
+    mRefreshRateStats->setConfigMode(CONFIG_ID_90);
     mRefreshRateStats->setPowerMode(HWC_POWER_MODE_NORMAL);
     screenOff = mRefreshRateStats->getTotalTimes()["ScreenOff"];
     std::this_thread::sleep_for(std::chrono::milliseconds(2));
@@ -172,6 +173,7 @@
     EXPECT_EQ(sixty, times["60fps"]);
     EXPECT_EQ(ninety, times["90fps"]);
 
+    mRefreshRateStats->setConfigMode(CONFIG_ID_90);
     mRefreshRateStats->setPowerMode(HWC_POWER_MODE_NORMAL);
     screenOff = mRefreshRateStats->getTotalTimes()["ScreenOff"];
     std::this_thread::sleep_for(std::chrono::milliseconds(2));