Audio AIDL : Add libeffects downmix implementation uuid

Bug: 258124419
Test: atest VtsHalDownmixTargetTest

Change-Id: I32d415d83e0a068efbea93ef4c2af3403db0f0a5
diff --git a/audio/aidl/default/Android.bp b/audio/aidl/default/Android.bp
index 803880f..88cd601 100644
--- a/audio/aidl/default/Android.bp
+++ b/audio/aidl/default/Android.bp
@@ -128,7 +128,7 @@
     shared_libs: [
         "libbassboostsw",
         "libbundleaidl",
-        "libdownmixsw",
+        "libdownmixaidl",
         "libdynamicsprocessingsw",
         "libenvreverbsw",
         "libequalizersw",