jack: fix missing include

Since a recent patch manager.h doesn't provide non-related headers
like audioloop.h.
This causes some build error in .cpp files missing to include
correctly their dependencies.
This patch fixes such case for jacklayer.cpp

Change-Id: Ic33bc83026749676e4c34b7989fc61efd459231c

src/media/audio/jack/jacklayer.cpp

@@ -29,6 +29,7 @@
 #include "audio/resampler.h"
 #include "audio/ringbufferpool.h"
 #include "audio/ringbuffer.h"
+#include "audio/audioloop.h"
 #include "manager.h"
 #include "array_size.h"