audio_core: Implement Sink and SinkStream interfaces with cubeb.

src/audio_core/sink_details.cpp

@@ -8,12 +8,18 @@
 #include <vector>
 #include "audio_core/null_sink.h"
 #include "audio_core/sink_details.h"
+#ifdef HAVE_CUBEB
+#include "audio_core/cubeb_sink.h"
+#endif
 #include "common/logging/log.h"
 
 namespace AudioCore {
 
 // g_sink_details is ordered in terms of desirability, with the best choice at the top.
 const std::vector<SinkDetails> g_sink_details = {
+#ifdef HAVE_CUBEB
+    SinkDetails{"cubeb", &std::make_unique<CubebSink, std::string>, &ListCubebSinkDevices},
+#endif
     SinkDetails{"null", &std::make_unique<NullSink, std::string>,
                 [] { return std::vector<std::string>{"null"}; }},
 };