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

runtime/vm/bootstrap_nocorelib.cc

Index: runtime/vm/bootstrap_nocorelib.cc
diff --git a/runtime/vm/bootstrap_nocorelib.cc b/runtime/vm/bootstrap_nocorelib.cc
index dca7e2e8e9e89d454a8ea9849f2e6b1750d3480c..d7c1a94103251d1054aa0e423b621d0f3fcb5315 100644
--- a/runtime/vm/bootstrap_nocorelib.cc
+++ b/runtime/vm/bootstrap_nocorelib.cc
@@ -27,6 +27,12 @@ RawScript* Bootstrap::LoadCoreImplScript(bool is_patch) {
 }
 
 
+RawScript* Bootstrap::LoadCollectionsScript(bool is_patch) {
+  UNREACHABLE();
+  return Script::null();
+}
+
+
 RawScript* Bootstrap::LoadMathScript(bool is_patch) {
   UNREACHABLE();
   return Script::null();