Effect AIDL: Refactor effect capability with Range implementation

Bug: 258124419
Test: atest --test-mapping hardware/interfaces/audio/aidl/vts:presubmit
Change-Id: Ie76270e91471a30f7dda1883c510cd318745855f
diff --git a/audio/aidl/default/downmix/DownmixSw.h b/audio/aidl/default/downmix/DownmixSw.h
index 51546c1..37c978b 100644
--- a/audio/aidl/default/downmix/DownmixSw.h
+++ b/audio/aidl/default/downmix/DownmixSw.h
@@ -47,7 +47,7 @@
 class DownmixSw final : public EffectImpl {
   public:
     static const std::string kEffectName;
-    static const Downmix::Capability kCapability;
+    static const Capability kCapability;
     static const Descriptor kDescriptor;
     DownmixSw() { LOG(DEBUG) << __func__; }
     ~DownmixSw() {