Add vendor extension effect example

Update Parameter.id from int to ParcelableHolder

Bug: 271601435
Test: Build, atest VtsHalAudioEffectTargetTest
Change-Id: I5450fa90e95bdebe931c222f6bb177dbdef35c69
diff --git a/audio/aidl/default/extension/ExtensionEffect.h b/audio/aidl/default/extension/ExtensionEffect.h
index 399fa83..f432d40 100644
--- a/audio/aidl/default/extension/ExtensionEffect.h
+++ b/audio/aidl/default/extension/ExtensionEffect.h
@@ -37,7 +37,7 @@
         mParams = params;
         return RetCode::SUCCESS;
     }
-    std::vector<uint8_t> getParams(int tag __unused) const { return mParams; }
+    std::vector<uint8_t> getParams(std::vector<uint8_t> id __unused) const { return mParams; }
 
   private:
     std::vector<uint8_t> mParams;