Add NetworkStack app

The app is not started yet, and does not contain any service for now.

Test: built, booted
Bug: b/112869080
Change-Id: Id5a0fd02c891100e85d86b1040e53beec3581950
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
new file mode 100644
index 0000000..d1c5cb6
--- /dev/null
+++ b/AndroidManifest.xml
@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+ * Copyright (C) 2014 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.
+ */
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="com.google.android.networkstack"
+          android:sharedUserId="android.uid.networkstack">
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
+    <!-- Launch captive portal app as specific user -->
+    <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS_FULL" />
+    <application
+        android:label="NetworkStack"
+        android:defaultToDeviceProtectedStorage="true"
+        android:directBootAware="true"
+        android:usesCleartextTraffic="true">
+        <service android:name="com.android.server.NetworkStackService">
+            <intent-filter>
+                <action android:name="android.net.INetworkStackConnector"/>
+            </intent-filter>
+        </service>
+    </application>
+</manifest>