Hide the Battery Stats Viewer launcher by default

Bug: 362827881
Test: Settings > Dev options > Launch Battery Stats Viewer
Flag: EXEMPT_testonly
Change-Id: I568f9ccbcd45f9a6f718da6b830be66d6c0f9ba4

core/tests/batterystatstests/BatteryStatsViewer/AndroidManifest.xml

@@ -20,6 +20,7 @@
 
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
     <uses-permission android:name="android.permission.BATTERY_STATS"/>
+    <uses-permission android:name="android.permission.CHANGE_COMPONENT_ENABLED_STATE"/>
     <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS"/>
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"/>
 
@@ -31,7 +32,8 @@
         <activity android:name=".BatteryConsumerPickerActivity"
                   android:label="Battery Stats"
                   android:launchMode="singleTop"
-                  android:exported="true">
+                  android:exported="true"
+                  android:enabled="false">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
@@ -41,5 +43,25 @@
         <activity android:name=".BatteryStatsViewerActivity"
                   android:label="Battery Stats"
                   android:parentActivityName=".BatteryConsumerPickerActivity"/>
+
+        <activity android:name=".TrampolineActivity"
+            android:exported="true"
+            android:theme="@android:style/Theme.NoDisplay">
+            <intent-filter>
+                <action android:name="com.android.settings.action.IA_SETTINGS"/>
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+
+            <meta-data android:name="com.android.settings.category"
+                android:value="com.android.settings.category.ia.development" />
+            <meta-data android:name="com.android.settings.title"
+                android:resource="@string/settings_title" />
+            <meta-data android:name="com.android.settings.summary"
+                android:resource="@string/settings_summary" />
+            <meta-data android:name="com.android.settings.group_key"
+                android:value="debug_debugging_category" />
+            <meta-data android:name="com.android.settings.order"
+                android:value="2" />
+        </activity>
     </application>
 </manifest>

core/tests/batterystatstests/BatteryStatsViewer/res/values/strings.xml

@@ -0,0 +1,20 @@
+<!--
+  ~ Copyright (C) 2024 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.
+  -->
+
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string name="settings_title">Launch Battery Stats Viewer</string>
+    <string name="settings_summary">The Battery Stats Viewer will be visible in the Launcher after it is opened once.</string>
+</resources>

core/tests/batterystatstests/BatteryStatsViewer/src/com/android/frameworks/core/batterystatsviewer/TrampolineActivity.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2024 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.frameworks.core.batterystatsviewer;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+
+public class TrampolineActivity extends Activity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        showLauncherIcon();
+        launchMainActivity();
+    }
+
+    private void showLauncherIcon() {
+        PackageManager pm = getPackageManager();
+        pm.setComponentEnabledSetting(new ComponentName(this, BatteryConsumerPickerActivity.class),
+                PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
+                PackageManager.DONT_KILL_APP);
+    }
+
+    private void launchMainActivity() {
+        startActivity(new Intent(this, BatteryConsumerPickerActivity.class));
+    }
+}