Add PackageManagerLocal for mainline modules

Bug: 211763739

Change-Id: Ia25ea8e224fcf88030761636c574f5084c98b035

services/api/current.txt

@@ -44,6 +44,13 @@ package com.android.server.am {
 
 }
 
+package com.android.server.pm {
+
+  public interface PackageManagerLocal {
+  }
+
+}
+
 package com.android.server.role {
 
   public interface RoleServicePlatformHelper {

services/core/java/com/android/server/pm/PackageManagerLocal.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.pm;
+
+import android.annotation.SystemApi;
+
+/**
+ * In-process API for server side PackageManager related infrastructure.
+ *
+ * For now, avoiding adding methods that rely on package data until we solve the snapshot
+ * consistency problem.
+ *
+ * @hide
+ */
+@SystemApi(client = SystemApi.Client.SYSTEM_SERVER)
+public interface PackageManagerLocal {
+}

services/core/java/com/android/server/pm/PackageManagerService.java

@@ -203,6 +203,7 @@ import com.android.internal.util.Preconditions;
 import com.android.permission.persistence.RuntimePermissionsPersistence;
 import com.android.server.EventLogTags;
 import com.android.server.FgThread;
+import com.android.server.LocalManagerRegistry;
 import com.android.server.LocalServices;
 import com.android.server.LockGuard;
 import com.android.server.PackageWatchdog;
@@ -1537,6 +1538,7 @@ public class PackageManagerService extends IPackageManager.Stub
         ServiceManager.addService("package", m);
         final PackageManagerNative pmn = new PackageManagerNative(m);
         ServiceManager.addService("package_native", pmn);
+        LocalManagerRegistry.addManager(PackageManagerLocal.class, m.new PackageManagerLocalImpl());
         return m;
     }
 
@@ -6768,6 +6770,9 @@ public class PackageManagerService extends IPackageManager.Stub
         return mComputer.canQueryPackage(callingUid, targetPackageName);
     }
 
+    private class PackageManagerLocalImpl implements PackageManagerLocal {
+    }
+
     private class PackageManagerInternalImpl extends PackageManagerInternal {
         @Override
         public List<ApplicationInfo> getInstalledApplications(