Add Spatializer support in libAudioHal

Bug: 273373363
Test: atest EffectsFactoryHalInterfaceTest
Change-Id: I68bfc8388dac0f070a58351bc1d8836f8c50fc6c
diff --git a/media/libaudiohal/impl/effectsAidlConversion/AidlConversionSpatializer.h b/media/libaudiohal/impl/effectsAidlConversion/AidlConversionSpatializer.h
index 7c60b14..444e5a7 100644
--- a/media/libaudiohal/impl/effectsAidlConversion/AidlConversionSpatializer.h
+++ b/media/libaudiohal/impl/effectsAidlConversion/AidlConversionSpatializer.h
@@ -32,6 +32,8 @@
     ~AidlConversionSpatializer() {}
 
   private:
+    std::optional<bool> mIsSpatializerAidlParamSupported;
+    bool isSpatializerParameterSupported();
     status_t setParameter(utils::EffectParamReader& param) override;
     status_t getParameter(utils::EffectParamWriter& param) override;
 };