Extract libapdu for reuse.

Test: build esed
Change-Id: Ie50b5072a357fd54df564d3309debcb6b3054133
diff --git a/esed/pn81a/utils.h b/esed/pn81a/utils.h
index 2e6b135..60bca35 100644
--- a/esed/pn81a/utils.h
+++ b/esed/pn81a/utils.h
@@ -22,7 +22,8 @@
 
 #include <hidl/Status.h>
 
-#include "apdu.h"
+#include <apdu/apdu.h>
+
 #include "pn81a.h"
 
 namespace android {