Revert "Remove vmservice_io.main from entry points. (#5625)" (#5711)

cbracken · web-flow · commit fed2ea458ed4 · 2018-07-10T16:57:23.000-07:00
This caused failures in Flutter microbenchmarks. See: flutter/flutter#19096 and flutter/flutter#19210 This reverts commit 4466d61.
diff --git a/runtime/dart_vm_entry_points.txt b/runtime/dart_vm_entry_points.txt
@@ -43,3 +43,4 @@ dart:ui,SemanticsUpdate,SemanticsUpdate._
 dart:ui,SemanticsUpdateBuilder,SemanticsUpdateBuilder.
 dart:ui,Shader,Shader._
 dart:ui,TextBox,TextBox._
+dart:vmservice_io,::,main
