update for new audio.h header location

Change-Id: Ic3d8c530441a26074f6baabb7ea05182d5c03b1e
Signed-off-by: Dima Zavin <dima@android.com>
diff --git a/audio/android_audio_hw.c b/audio/android_audio_hw.c
index 63c7bb9..1c3591d 100644
--- a/audio/android_audio_hw.c
+++ b/audio/android_audio_hw.c
@@ -29,7 +29,7 @@
 #include <cutils/str_parms.h>
 
 #include <hardware/hardware.h>
-#include <hardware/audio.h>
+#include <system/audio.h>
 #include <hardware/audio_hal.h>
 
 #include <hardware_legacy/power.h>