diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 6431344..b9f8fdb 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -743,6 +743,11 @@
             traceEnd();
         }
 
+        // Tracks and caches the device state.
+        traceBeginAndSlog("StartCachedDeviceStateService");
+        mSystemServiceManager.startService(CachedDeviceStateService.class);
+        traceEnd();
+
         // Tracks cpu time spent in binder calls
         traceBeginAndSlog("StartBinderCallsStatsService");
         mSystemServiceManager.startService(BinderCallsStatsService.LifeCycle.class);