Add test_com.android.server apex for e2e tests.

The test apex contains a single FakeApexSystemService that just logs to
logcat in onStart(). The host test would parse logcat to check whether
the apex-system-service has been started correctly or not.

Bug: 192880996
Test: presubmit
Ignore-AOSP-First: tests depend on new internal feature
Change-Id: Ia3630510306aee2b5596e57abba6b1163dd84309

services/tests/apexsystemservices/OWNERS

@@ -0,0 +1,4 @@
+omakoto@google.com
+satayev@google.com
+
+include platform/packages/modules/common:/OWNERS

services/tests/apexsystemservices/apexes/test_com.android.server/Android.bp

@@ -0,0 +1,40 @@
+// Copyright (C) 2021 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 {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+apex_key {
+    name: "test_com.android.server.key",
+    public_key: "test_com.android.server.avbpubkey",
+    private_key: "test_com.android.server.pem",
+    installable: false,
+}
+
+android_app_certificate {
+    name: "test_com.android.server.certificate",
+    certificate: "test_com.android.server",
+}
+
+apex_test {
+    name: "test_com.android.server",
+    manifest: "manifest.json",
+    androidManifest: "AndroidManifest.xml",
+    java_libs: ["FakeApexSystemService"],
+    file_contexts: ":apex.test-file_contexts",
+    key: "test_com.android.server.key",
+    updatable: false,
+    installable: false,
+}

services/tests/apexsystemservices/apexes/test_com.android.server/AndroidManifest.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2021 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="test_com.android.server">
+    <!-- APEX does not have classes.dex -->
+    <application android:hasCode="false">
+        <apex-system-service
+            android:name="com.android.server.testing.FakeApexSystemService"
+            android:path="/apex/test_com.android.server/javalib/FakeApexSystemService.jar"
+            android:minSdkVersion="30"/>
+
+        <!-- Always inactive system service, since maxSdkVersion is low -->
+        <apex-system-service
+            android:name="com.android.apex.test.OldApexSystemService"
+            android:path="/apex/com.android.apex.test/javalib/fake.jar"
+            android:minSdkVersion="1"
+            android:maxSdkVersion="1"
+        />
+
+        <!-- Always inactive system service, since minSdkVersion is high -->
+        <apex-system-service
+            android:name="com.android.apex.test.NewApexSystemService"
+            android:path="/apex/com.android.apex.test/javalib/fake.jar"
+            android:minSdkVersion="999999"
+        />
+    </application>
+</manifest>

services/tests/apexsystemservices/apexes/test_com.android.server/manifest.json

@@ -0,0 +1,4 @@
+{
+  "name": "test_com.android.server",
+  "version": 1
+}

services/tests/apexsystemservices/apexes/test_com.android.server/test_com.android.server.pem

@@ -0,0 +1,51 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIJKQIBAAKCAgEAur/sf1yom0DzYXRG4HaigR2qjUwPOtxr+cfVem0OxZeSTc5X
+W8cueEFcYvE3G3FOpxfv5FBtSFvAJaV+N8v8pWRoTgIxA0Squf0oH+PPqT11GQ6r
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+OnaWweSoDhPOeYVQjP9U9CzcaofffsNP/1dvqJRDm6fRBE3qaGhIcTFMC3xy
+-----END RSA PRIVATE KEY-----

services/tests/apexsystemservices/apexes/test_com.android.server/test_com.android.server.x509.pem

@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----
+MIIF3TCCA8UCFBYj125aAL6TlF+vGODQhEUq6/AXMA0GCSqGSIb3DQEBCwUAMIGp
+MQswCQYDVQQGEwJVUzETMBEGA1UECAwKQ2FsaWZvcm5pYTEWMBQGA1UEBwwNTW91
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+bR8InfVgdeIr68zrlvC+SfE=
+-----END CERTIFICATE-----

services/tests/apexsystemservices/service/Android.bp

@@ -0,0 +1,20 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "frameworks_base_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["frameworks_base_license"],
+}
+
+java_library {
+    name: "FakeApexSystemService",
+    srcs: ["**/*.java"],
+    sdk_version: "system_server_current",
+    libs: [
+        "framework-annotations-lib",
+        "androidx.annotation_annotation",
+    ],
+    visibility: ["//frameworks/base/services/tests/apexsystemservices:__subpackages__"],
+    apex_available: ["//apex_available:anyapex"],
+}

services/tests/apexsystemservices/service/src/com/android/server/testing/FakeApexSystemService.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2021 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.testing;
+
+import android.content.Context;
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+
+import com.android.server.SystemService;
+
+/**
+ * A fake system service that just logs when it is started.
+ */
+public class FakeApexSystemService extends SystemService {
+
+    private static final String TAG = "FakeApexSystemService";
+
+    public FakeApexSystemService(@NonNull Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onStart() {
+        Log.d(TAG, "FakeApexSystemService onStart");
+    }
+}