Add libaudioclient_headers

Test: works with BOARD_VNDK_VERSION := current
Bug: 33241851
Change-Id: I31cf7e7cd89fe6e71d4e52f7682990146a12b2fb
diff --git a/media/libaudioclient/IAudioFlinger.cpp b/media/libaudioclient/IAudioFlinger.cpp
index 4e2a0d5..858b5cc 100644
--- a/media/libaudioclient/IAudioFlinger.cpp
+++ b/media/libaudioclient/IAudioFlinger.cpp
@@ -24,7 +24,7 @@
 
 #include <binder/Parcel.h>
 
-#include <media/IAudioFlinger.h>
+#include "IAudioFlinger.h"
 
 namespace android {