update for new audio.h header location

Change-Id: Ic4c62c4037800802427eb7d3c7f5eb8b25d18876
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 88a9ae0..9fbcee0 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -25,7 +25,7 @@
 
 #include <media/IAudioPolicyService.h>
 
-#include <hardware/audio.h>
+#include <system/audio.h>
 
 namespace android {