Create a skeleton Rust audio control HAL

This is to prove that rust audio control HAL can be built and can
run. The skeleton Rust audio control HAL will return UNKNOWN_ERROR
for all APIs.

Bug: 319474244
Flag: EXEMPT HAL interface change
Test: m android.hardware.automotive.audiocontrol-V4-rust-service

Change-Id: I64916b3eaa8410e0b137b5b34578710899f91324
diff --git a/automotive/audiocontrol/aidl/rust_impl/audiocontrol-rust-service.xml b/automotive/audiocontrol/aidl/rust_impl/audiocontrol-rust-service.xml
new file mode 100644
index 0000000..e54c1d3
--- /dev/null
+++ b/automotive/audiocontrol/aidl/rust_impl/audiocontrol-rust-service.xml
@@ -0,0 +1,23 @@
+<!--
+  ~ 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.
+  -->
+
+<manifest version="2.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.automotive.audiocontrol</name>
+        <version>4</version>
+        <fqname>IAudioControl/default</fqname>
+    </hal>
+</manifest>