Move libnbaio out of AudioFlinger

libnbaio is now a separate shared library from AudioFlinger, rather
than a static library used only by AudioFlinger.

AudioBufferProvider interface is now also independent of AudioFlinger,
moved to include/media/

Change-Id: I9bb62ffbc38d42a38b0af76e66da5e9ab1e0e21b
diff --git a/services/audioflinger/FastMixerState.h b/services/audioflinger/FastMixerState.h
index bc69c9c..6e53f21 100644
--- a/services/audioflinger/FastMixerState.h
+++ b/services/audioflinger/FastMixerState.h
@@ -18,8 +18,8 @@
 #define ANDROID_AUDIO_FAST_MIXER_STATE_H
 
 #include <system/audio.h>
-#include "ExtendedAudioBufferProvider.h"
-#include "NBAIO.h"
+#include <media/ExtendedAudioBufferProvider.h>
+#include <media/nbaio/NBAIO.h>
 
 namespace android {