Add system service for slices

Will be used to manage permissions and possibly pinned state for slices.

Test: manual
Change-Id: Ie53f4988f817ac5b920087567dbac751e2857dbf
diff --git a/core/java/android/app/slice/SliceManager.java b/core/java/android/app/slice/SliceManager.java
new file mode 100644
index 0000000..e99f676
--- /dev/null
+++ b/core/java/android/app/slice/SliceManager.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2017 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 android.app.slice;
+
+import android.annotation.SystemService;
+import android.content.Context;
+import android.os.Handler;
+import android.os.ServiceManager;
+import android.os.ServiceManager.ServiceNotFoundException;
+
+/**
+ * @hide
+ */
+@SystemService(Context.SLICE_SERVICE)
+public class SliceManager {
+
+    private final ISliceManager mService;
+    private final Context mContext;
+
+    public SliceManager(Context context, Handler handler) throws ServiceNotFoundException {
+        mContext = context;
+        mService = ISliceManager.Stub.asInterface(
+                ServiceManager.getServiceOrThrow(Context.SLICE_SERVICE));
+    }
+}