Memory changes 3.1 (ryubing/ryujinx!212)

See merge request ryubing/ryujinx!212

src/Ryujinx.Audio/Renderer/Dsp/Command/DeviceSinkCommand.cs

@@ -92,6 +92,7 @@ namespace Ryujinx.Audio.Renderer.Dsp.Command
                 }
 
                 short[] outputBuffer = ArrayPool<short>.Shared.Rent((int)inputCount * SampleCount);
+                Array.Fill(outputBuffer, (short)0, 0, (int)inputCount * SampleCount);
 
                 for (int i = 0; i < bufferCount; i++)
                 {

src/Ryujinx.Input/HLE/NpadManager.cs

@@ -330,6 +330,7 @@ namespace Ryujinx.Input.HLE
 
                 _device.TamperMachine.UpdateInput(hleInputStates);
                 
+                hleMotionStates.Clear();
                 _hleMotionStatesPool.Release(hleMotionStates);
             }
         }