Effect AIDL: add Spatializer default implementation to Cuttlefish

Bug: 273373363
Test: atest --test-mapping hardware/interfaces/audio/aidl/vts:presubmit
Change-Id: Ib49d62c61de831c8147c935799d22be78950488f
diff --git a/audio/aidl/default/spatializer/Android.bp b/audio/aidl/default/spatializer/Android.bp
index 400629e..2c229fe 100644
--- a/audio/aidl/default/spatializer/Android.bp
+++ b/audio/aidl/default/spatializer/Android.bp
@@ -35,6 +35,6 @@
     ],
     relative_install_path: "soundfx",
     visibility: [
-        "//hardware/interfaces/audio/aidl/default",
+        "//hardware/interfaces/audio/aidl/default:__subpackages__",
     ],
 }