Revert "audio: switch to use libfmas for downmix"

This reverts commit 5a90924.

Bug: 78285813
Test: manual
Change-Id: Ic32a0a69697167d17e2530af13f45884c30554f6
Signed-off-by: David Lin <dtwlin@google.com>

audio_effects.xml

@@ -5,7 +5,7 @@
         <library name="reverb" path="libreverbwrapper.so"/>
         <library name="visualizer_sw" path="libvisualizer.so"/>
         <library name="visualizer_hw" path="libqcomvisualizer.so"/>
-        <library name="fmas" path="libfmas.so"/>
+        <library name="downmix" path="libdownmix.so"/>
         <library name="dynamics_processing" path="libdynproc.so"/>
         <library name="loudness_enhancer" path="libldnhncr.so"/>
         <library name="proxy" path="libeffectproxy.so"/>
@@ -18,7 +18,10 @@
             <libsw library="bundle" uuid="8631f300-72e2-11df-b57e-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="2c4a8c24-1581-487f-94f6-0002a5d5c51b"/>
         </effectProxy>
-        <effect name="virtualizer" library="fmas" uuid="36103c50-8514-11e2-9e96-0800200c9a66"/>
+        <effectProxy name="virtualizer" library="proxy" uuid="d3467faa-acc7-4d34-acaf-0002a5d5c51b">
+            <libsw library="bundle" uuid="1d4033c0-8557-11df-9f2d-0002a5d5c51b"/>
+            <libhw library="offload_bundle" uuid="509a4498-561a-4bea-b3b1-0002a5d5c51b"/>
+        </effectProxy>
         <effectProxy name="equalizer" library="proxy" uuid="c8e70ecd-48ca-456e-8a4f-0002a5d5c51b">
             <libsw library="bundle" uuid="ce772f20-847d-11df-bb17-0002a5d5c51b"/>
             <libhw library="offload_bundle" uuid="a0dac280-401c-11e3-9379-0002a5d5c51b"/>
@@ -44,7 +47,7 @@
             <libsw library="visualizer_sw" uuid="d069d9e0-8329-11df-9168-0002a5d5c51b"/>
             <libhw library="visualizer_hw" uuid="7a8044a0-1a71-11e3-a184-0002a5d5c51b"/>
         </effectProxy>
-        <effect name="downmix" library="fmas" uuid="36103c51-8514-11e2-9e96-0800200c9a66"/>
+        <effect name="downmix" library="downmix" uuid="93f04452-e4fe-41cc-91f9-e475b6d1d69f"/>
         <effect name="loudness_enhancer" library="loudness_enhancer" uuid="fa415329-2034-4bea-b5dc-5b381c8d1e2c"/>
         <effect name="aec" library="audio_pre_processing" uuid="27dab416-23f8-11e8-b467-0ed5f89f718b"/>
         <effect name="ns" library="audio_pre_processing" uuid="27dab6d2-23f8-11e8-b467-0ed5f89f718b"/>