Audio AIDL : Add default value to params

Bug: 258124419
Test: atest VtsHalBassBoostTargetTest
Test: atest VtsHalVirtualizerTargetTest
Test: atest VtsHalVisualizerTargetTest
Test: atest VtsHalAECTargetTest
Test: atest VtsHalAGCTargetTest
Test: atest VtsHalNSTargetTest

Change-Id: Iad68cf01f8a27dfe9ba17584f2c3b43f0d586d86
diff --git a/audio/aidl/default/visualizer/VisualizerSw.h b/audio/aidl/default/visualizer/VisualizerSw.h
index edaf123..3c9e6d2 100644
--- a/audio/aidl/default/visualizer/VisualizerSw.h
+++ b/audio/aidl/default/visualizer/VisualizerSw.h
@@ -80,7 +80,7 @@
     int mCaptureSize = kMaxCaptureSize;
     Visualizer::ScalingMode mScalingMode = Visualizer::ScalingMode::NORMALIZED;
     Visualizer::MeasurementMode mMeasurementMode = Visualizer::MeasurementMode::NONE;
-    int mLatency;
+    int mLatency = 0;
     const Visualizer::GetOnlyParameters::Measurement mMeasurement = {0, 0};
     std::vector<uint8_t> mCaptureSampleBuffer;
 };