remove dependency on utils/List.h

Change-Id: I45c7e2cf9fe07f65259af6fa22d719259386912c
diff --git a/PppController.h b/PppController.h
index bb75435..cc74c8c 100644
--- a/PppController.h
+++ b/PppController.h
@@ -19,9 +19,9 @@
 
 #include <linux/in.h>
 
-#include <utils/List.h>
+#include "List.h"
 
-typedef android::List<char *> TtyCollection;
+typedef android::netd::List<char *> TtyCollection;
 
 class PppController {
     TtyCollection *mTtys;