audio_core: Streams need unique names for CoreTiming.

src/audio_core/audio_out.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <memory>
+#include <string>
 #include <vector>
 
 #include "audio_core/buffer.h"
@@ -20,7 +21,7 @@ namespace AudioCore {
 class AudioOut {
 public:
     /// Opens a new audio stream
-    StreamPtr OpenStream(u32 sample_rate, u32 num_channels,
+    StreamPtr OpenStream(u32 sample_rate, u32 num_channels, std::string&& name,
                          Stream::ReleaseCallback&& release_callback);
 
     /// Returns a vector of recently released buffers specified by tag for the specified stream