update for new audio.h header location

Change-Id: Ic4c62c4037800802427eb7d3c7f5eb8b25d18876
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 3b2cf10..d51c946 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -53,7 +53,7 @@
 #include <media/AudioTrack.h>
 #include <media/MemoryLeakTrackUtil.h>
 
-#include <hardware/audio.h>
+#include <system/audio.h>
 
 #include <private/android_filesystem_config.h>