Move Arrays, Collections and Maps into a new library, dart:collections.

runtime/vm/bootstrap_natives.cc

Index: runtime/vm/bootstrap_natives.cc
diff --git a/runtime/vm/bootstrap_natives.cc b/runtime/vm/bootstrap_natives.cc
index fa368b697a017d8f006434bdc76ff1206363661d..de3604cb1817da174f14c54c3a724078a7af6b64 100644
--- a/runtime/vm/bootstrap_natives.cc
+++ b/runtime/vm/bootstrap_natives.cc
@@ -64,6 +64,10 @@ void Bootstrap::SetupNativeResolver() {
   ASSERT(!library.IsNull());
   library.set_native_entry_resolver(resolver);
 
+  library = Library::CollectionsLibrary();
+  ASSERT(!library.IsNull());
+  library.set_native_entry_resolver(resolver);
+
   library = Library::MirrorsLibrary();
   ASSERT(!library.IsNull());
   library.set_native_entry_resolver(resolver);