Add dummy performance test

Bug: 145109184
Test: atest --test-mapping src_path:postsubmit
Change-Id: I7db174942247acd20c94afd7763ec73242a5e44b

TEST_MAPPING

@@ -7,6 +7,14 @@
           "exclude-annotation": "androidx.test.filters.FlakyTest"
         }
       ]
+    },
+    {
+      "name": "SettingsPrefTests",
+      "options": [
+        {
+          "exclude-annotation": "androidx.test.filters.FlakyTest"
+        }
+      ]
     }
   ]
 }

tests/perftests/Android.bp

@@ -0,0 +1,22 @@
+android_test {
+    name: "SettingsPrefTests",
+
+    certificate: "platform",
+
+    libs: [
+        "android.test.runner",
+    ],
+
+    static_libs: [
+        "androidx.test.rules",
+        "ub-uiautomator",
+    ],
+
+    // Include all test java files.
+    srcs: ["src/**/*.java"],
+
+    platform_apis: true,
+    test_suites: ["device-tests"],
+
+    instrumentation_for: "Settings",
+}

tests/perftests/AndroidManifest.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2020 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.android.settings.tests.pref">
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+        android:targetPackage="com.android.settings"
+        android:label="Settings Performance Test Cases">
+    </instrumentation>
+
+</manifest>

tests/perftests/src/com/android/settings/tests/pref/LaunchSettingsTest.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2020 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.settings.tests.pref;
+
+import android.app.Instrumentation;
+import android.os.Bundle;
+
+import androidx.test.InstrumentationRegistry;
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class LaunchSettingsTest {
+
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    @Test
+    public void testReportMetrics() throws Exception {
+        Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
+        final Bundle result = new Bundle();
+        result.putString("LaunchSettingsTest_metric_key1", "1000");
+        result.putString("LaunchSettingsTest_metric_key2", "5000");
+        instrumentation.sendStatus(0, result);
+    }
+}