Rename internal library dart:_collection-dev to dart:_internal.

runtime/vm/bootstrap.cc

Index: runtime/vm/bootstrap.cc
diff --git a/runtime/vm/bootstrap.cc b/runtime/vm/bootstrap.cc
index b04165a7ca4edd9ce2db4a2b0037853d1c209b29..fd4ce60818eca01e1814148474f8125af885201a 100644
--- a/runtime/vm/bootstrap.cc
+++ b/runtime/vm/bootstrap.cc
@@ -46,10 +46,10 @@ static bootstrap_lib_props bootstrap_libraries[] = {
                collection,
                Bootstrap::collection_source_paths_,
                Bootstrap::collection_patch_paths_),
-  INIT_LIBRARY(ObjectStore::kCollectionDev,
-               _collection-dev,
-               Bootstrap::collection_dev_source_paths_,
-               Bootstrap::collection_dev_patch_paths_),
+  INIT_LIBRARY(ObjectStore::kInternal,
+               _internal,
+               Bootstrap::internal_source_paths_,
+               Bootstrap::internal_patch_paths_),
   INIT_LIBRARY(ObjectStore::kIsolate,
                isolate,
                Bootstrap::isolate_source_paths_,