Create appfunctions-runtime and appfunctions-compiler module

* Merge appfunctions-app-runtime and appfunctions-agent-runtime into a
  single appfunctions-runtime module
* Merge appfunctions-app-compiler and appfunctions-agent-compiler into
  a single appfunctions-compiler module

Relnote: N/A
Test: ./gradlew :appfunctions:appfunctions-runtime:assemble
Bug: 374924489
Change-Id: Icbb5d35b20bc6e2012b495aca91bedbe7f655ed5
diff --git a/appfunctions/appfunctions-runtime/build.gradle b/appfunctions/appfunctions-runtime/build.gradle
new file mode 100644
index 0000000..d682879
--- /dev/null
+++ b/appfunctions/appfunctions-runtime/build.gradle
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2025 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.
+ */
+
+/**
+ * This file was created using the `create_project.py` script located in the
+ * `<AndroidX root>/development/project-creator` directory.
+ *
+ * Please use that script when creating a new project, rather than copying an existing project and
+ * modifying its settings.
+ */
+import androidx.build.LibraryType
+
+plugins {
+    id("AndroidXPlugin")
+    id("com.android.library")
+    id("org.jetbrains.kotlin.android")
+}
+
+dependencies {
+    api(libs.kotlinStdlib)
+    // Add dependencies here
+}
+
+android {
+    namespace = "androidx.appfunctions.runtime"
+}
+
+androidx {
+    name = "androidx.appfunctions:appfunctions-runtime"
+    type = LibraryType.PUBLISHED_LIBRARY
+    inceptionYear = "2025"
+    description = "Runtime library for the app to provide and interact with AppFunctions"
+}