update for new audio.h header location

Change-Id: Ic4c62c4037800802427eb7d3c7f5eb8b25d18876
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
index 28e07ff..7b7ba74 100644
--- a/media/libmedia/mediaplayer.cpp
+++ b/media/libmedia/mediaplayer.cpp
@@ -37,7 +37,7 @@
 #include <utils/KeyedVector.h>
 #include <utils/String8.h>
 
-#include <hardware/audio.h>
+#include <system/audio.h>
 
 namespace android {