audio: enable dual spk control in voice/VOIP

Bug: 204271052
Test: voip with speaker mode
      atest dual_speakers_test

Signed-off-by: Jasmine Cha <chajasmine@google.com>
Change-Id: I3bb59bf5444a537230c1dc3a4f74bd68ec209f4e

audio/cheetah/config/audio_platform_configuration.xml

@@ -284,7 +284,7 @@
     </device_handle>
 
     <external_module>
-        <module libname="audio_spk_35l41.so"/>
+        <module libname="audio_spk_35l41.so" argu="EnableDualControl"/>
         <module libname="audio_waves_aoc.so" argu="Sink=SPK:1"/>
         <module libname="audio_fortemedia_aoc.so"/>
         <module libname="liboffloadeffect.so"/>

audio/panther/config/audio_platform_configuration.xml

@@ -284,7 +284,7 @@
     </device_handle>
 
     <external_module>
-        <module libname="audio_spk_35l41.so"/>
+        <module libname="audio_spk_35l41.so" argu="EnableDualControl"/>
         <module libname="audio_waves_aoc.so" argu="Sink=SPK:1"/>
         <module libname="audio_fortemedia_aoc.so"/>
         <module libname="liboffloadeffect.so"/>