audio: add audio hal aidl service

- separate audio hal HIDL and AIDL services.
- separate sepolicy of aoc and audio

Bug: 259161622
Test: build pass and check hidl/aidl on gs201
      build pass for other chipset

Change-Id: Id3c0446be6cdcd5a6e75c832e7d7f4a64716f79c
Signed-off-by: Jasmine Cha <chajasmine@google.com>
diff --git a/audio/aidl/manifest.xml b/audio/aidl/manifest.xml
new file mode 100644
index 0000000..8d957cc
--- /dev/null
+++ b/audio/aidl/manifest.xml
@@ -0,0 +1,11 @@
+<manifest version="1.0" type="device" target-level="7">
+    <hal format="hidl">
+       <name>vendor.google.audiometricext</name>
+       <transport>hwbinder</transport>
+       <version>1.0</version>
+       <interface>
+           <name>IAudioMetricExt</name>
+           <instance>default</instance>
+       </interface>
+    </hal>
+</manifest>