fastboot: Include header for ostream_iterator and istream_iterator

This fixes the following compiler errors with gcc

storage.cpp:45:20: error: 'ostream_iterator' is not a member of 'std'
storage.cpp:50:10: error: 'istream_iterator' is not a member of 'std'

Change-Id: I570e332d100bb18e445644a9d57dc14d80f104b5

fastboot/storage.cpp

@@ -18,6 +18,7 @@
 #include <android-base/logging.h>
 
 #include <fstream>
+#include <iterator>
 
 #include "storage.h"
 #include "util.h"
@@ -62,4 +63,4 @@ FileLock ConnectedDevicesStorage::Lock() const {
         LOG(FATAL) << "Cannot create directory: " << home_fastboot_path_;
     }
     return FileLock(devices_lock_path_);
-}
+}