Merge "Initialize AppCompatCallbacks in system server"

services/java/com/android/server/SystemServer.java

@@ -24,6 +24,7 @@ import static android.view.Display.DEFAULT_DISPLAY;
 
 import android.annotation.NonNull;
 import android.app.ActivityThread;
+import android.app.AppCompatCallbacks;
 import android.app.INotificationManager;
 import android.app.usage.UsageStatsManagerInternal;
 import android.content.ComponentName;
@@ -644,6 +645,7 @@ public final class SystemServer {
         ServiceManager.addService(Context.PLATFORM_COMPAT_SERVICE, platformCompat);
         ServiceManager.addService(Context.PLATFORM_COMPAT_NATIVE_SERVICE,
                 new PlatformCompatNative(platformCompat));
+        AppCompatCallbacks.install(new long[0]);
         traceEnd();
 
         // Wait for installd to finish starting up so that it has a chance to