- Migrate make grokdump to GYP and GN
- Move code from d8 into stand-alone execution
- Add test case to ensure it's up-to-date

Review-Url: https://codereview.chromium.org/2809653003
Cr-Original-Commit-Position: refs/heads/master@{#44687}
Committed: https://chromium.googlesource.com/v8/v8/+/0cc0c130fa56f129c90c2a74cb01bda85df5e42a
Review-Url: https://codereview.chromium.org/2809653003
Cr-Commit-Position: refs/heads/master@{#44710}