add DataLoaderManagerService to system server and register to system service

Test: boots
Change-Id: I9cba99327da012b6f6de898ad1c5cc7cf11d1d31
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index 601b658..dd54d7c 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -53,7 +53,9 @@
 import android.content.om.IOverlayManager;
 import android.content.om.OverlayManager;
 import android.content.pm.CrossProfileApps;
+import android.content.pm.DataLoaderManager;
 import android.content.pm.ICrossProfileApps;
+import android.content.pm.IDataLoaderManager;
 import android.content.pm.IPackageManager;
 import android.content.pm.IShortcutService;
 import android.content.pm.LauncherApps;
@@ -1197,6 +1199,15 @@
                         return new BatteryStatsManager(
                                 IBatteryStats.Stub.asInterface(b));
                     }});
+        registerService(Context.DATA_LOADER_MANAGER_SERVICE, DataLoaderManager.class,
+                new CachedServiceFetcher<DataLoaderManager>() {
+                    @Override
+                    public DataLoaderManager createService(ContextImpl ctx)
+                            throws ServiceNotFoundException {
+                        IBinder b = ServiceManager.getServiceOrThrow(
+                                Context.DATA_LOADER_MANAGER_SERVICE);
+                        return new DataLoaderManager(IDataLoaderManager.Stub.asInterface(b));
+                    }});
         //CHECKSTYLE:ON IndentationCheck
 
         sInitializing = true;
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index b6e501a..6e29b63 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -126,6 +126,7 @@
 import com.android.server.os.SchedulingPolicyService;
 import com.android.server.pm.BackgroundDexOptService;
 import com.android.server.pm.CrossProfileAppsService;
+import com.android.server.pm.DataLoaderManagerService;
 import com.android.server.pm.DynamicCodeLoggingService;
 import com.android.server.pm.Installer;
 import com.android.server.pm.LauncherAppsService;
@@ -321,6 +322,7 @@
     private PackageManager mPackageManager;
     private ContentResolver mContentResolver;
     private EntropyMixer mEntropyMixer;
+    private DataLoaderManagerService mDataLoaderManagerService;
 
     private boolean mOnlyCore;
     private boolean mFirstBoot;
@@ -694,6 +696,12 @@
         mWindowManagerGlobalLock = atm.getGlobalLock();
         t.traceEnd();
 
+        // Data loader manager service needs to be started before package manager
+        t.traceBegin("StartDataLoaderManagerService");
+        mDataLoaderManagerService = mSystemServiceManager.startService(
+                DataLoaderManagerService.class);
+        t.traceEnd();
+
         // Power manager needs to be started early because other services need it.
         // Native daemons may be watching for it to be registered so it must be ready
         // to handle incoming binder calls immediately (including being able to verify