Vending: Add AppUpdateService dummy

vending-app/src/main/AndroidManifest.xml

@@ -206,5 +206,13 @@
             android:name="com.google.android.finsky.services.PlayGearheadService"
             android:exported="true" />
 
+        <service android:name="com.google.android.finsky.installservice.DevTriggeredUpdateService"
+            android:enabled="true"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="com.google.android.play.core.install.BIND_UPDATE_SERVICE"/>
+            </intent-filter>
+        </service>
+
     </application>
 </manifest>

vending-app/src/main/aidl/com/google/android/play/core/appupdate/protocol/IAppUpdateService.aidl

@@ -0,0 +1,14 @@
+/*
+ * SPDX-FileCopyrightText: 2023 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.play.core.appupdate.protocol;
+
+import com.google.android.play.core.appupdate.protocol.IAppUpdateServiceCallback;
+
+interface IAppUpdateService {
+    oneway void requestUpdateInfo(String packageName, in Bundle bundle, in IAppUpdateServiceCallback callback) = 1;
+    oneway void completeUpdate(String packageName, in Bundle bundle, in IAppUpdateServiceCallback callback) = 2;
+    oneway void updateProgress(in Bundle bundle) = 3;
+}

vending-app/src/main/aidl/com/google/android/play/core/appupdate/protocol/IAppUpdateServiceCallback.aidl

@@ -0,0 +1,11 @@
+/*
+ * SPDX-FileCopyrightText: 2023 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.play.core.appupdate.protocol;
+
+interface IAppUpdateServiceCallback {
+    oneway void onUpdateResult(in Bundle bundle) = 1;
+    oneway void onCompleteResult(in Bundle bundle) = 2;
+}

vending-app/src/main/kotlin/com/google/android/finsky/installservice/DevTriggeredUpdateService.kt

@@ -0,0 +1,57 @@
+/**
+ * SPDX-FileCopyrightText: 2025 microG Project Team
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.google.android.finsky.installservice
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import android.os.IBinder
+import android.os.Parcel
+import android.util.Log
+import androidx.core.os.bundleOf
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.LifecycleService
+import com.google.android.play.core.appupdate.protocol.IAppUpdateService
+import com.google.android.play.core.appupdate.protocol.IAppUpdateServiceCallback
+import org.microg.gms.utils.warnOnTransactionIssues
+
+private const val TAG = "TriggeredUpdateService"
+
+class DevTriggeredUpdateService : LifecycleService() {
+
+    override fun onBind(intent: Intent): IBinder? {
+        super.onBind(intent)
+        Log.d(TAG, "onBind")
+        return DevTriggeredUpdateServiceImpl(this, lifecycle).asBinder()
+    }
+
+    override fun onUnbind(intent: Intent?): Boolean {
+        Log.d(TAG, "onUnbind")
+        return super.onUnbind(intent)
+    }
+}
+
+class DevTriggeredUpdateServiceImpl(private val context: Context, override val lifecycle: Lifecycle) : IAppUpdateService.Stub(), LifecycleOwner {
+
+    override fun requestUpdateInfo(packageName: String?, bundle: Bundle?, callback: IAppUpdateServiceCallback?) {
+        bundle?.keySet()
+        Log.d(TAG, "requestUpdateInfo: packageName: $packageName bundle: $bundle")
+        callback?.onUpdateResult(bundleOf("error.code" to 0))
+    }
+
+    override fun completeUpdate(packageName: String?, bundle: Bundle?, callback: IAppUpdateServiceCallback?) {
+        bundle?.keySet()
+        Log.d(TAG, "completeUpdate: packageName: $packageName bundle: $bundle")
+        callback?.onCompleteResult(bundleOf("error.code" to 0))
+    }
+
+    override fun updateProgress(bundle: Bundle?) {
+        Log.d(TAG, "updateProgress:  bundle: $bundle")
+    }
+
+    override fun onTransact(code: Int, data: Parcel, reply: Parcel?, flags: Int): Boolean = warnOnTransactionIssues(code, reply, flags, TAG) { super.onTransact(code, data, reply, flags) }
+}