[kernel] add ability to disable offsets for bazel worker to use

This is a lightly modified version of Jennys CL @
https://dart-review.googlesource.com/100275

Change-Id: I46a1665d84d04602af1f338cf963bc25b4e6b25c
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/101280
Commit-Queue: Jens Johansen <jensj@google.com>
Reviewed-by: Kevin Millikin <kmillikin@google.com>

https://dart.googlesource.com/sdk/+/099af47a69b61274d4f9b8e4c1522733633fe05e
diff --git a/commits.json b/commits.json
index 5bcb971..cda6ba5 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"301f560bd835e462134b491f1d5a74d21d03f3a8",
   "external/github.com/flutter/flutter":"d5aae54a28a2ba04f5737752edba9f5c98259c6c",
-  "sdk":"4fe9951dcaf6a2dd947fc625035e5314395ee031"
+  "sdk":"099af47a69b61274d4f9b8e4c1522733633fe05e"
 }
\ No newline at end of file