Fix Android build warnings

runtime/bin/directory_android.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_ANDROID)
 
 #include "bin/directory.h"
 
 #include <dirent.h>  // NOLINT
@@ skipping 64 matching lines @@
 
 void PathBuffer::Reset(intptr_t new_length) {
   length_ = new_length;
   AsString()[length_] = '\0';
 }
 
 
 // A linked list of symbolic links, with their unique file system identifiers.
 // These are scanned to detect loops while doing a recursive directory listing.
 struct LinkList {
-  dev_t dev;
-  ino_t ino;
+  uint64_t dev;
+  uint64_t ino;
   LinkList* next;
 };
 
 
 ListType DirectoryListingEntry::Next(DirectoryListing* listing) {
   if (done_) {
     return kListDone;
   }
 
   if (lister_ == 0) {
@@ skipping 368 matching lines @@
   if (exists != EXISTS) {
     return false;
   }
   return (NO_RETRY_EXPECTED(rename(path, new_path)) == 0);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_ANDROID)