51050481c9
Adds isSystemIsolate in the isolate startup message sent to the VM service, allowing for the service to identify the first non-system isolate as the root isolate. TEST=Existing tests CoreLibraryReviewExempt: dart:vmservice is internal. Change-Id: I0a982a1fc06bd0be0426ad9d1401e89375cbed40 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/500000 Commit-Queue: Ben Konyi <bkonyi@google.com> Reviewed-by: Jessy Yameogo <yjessy@google.com>