Linter Changelog note fixes.

Follow-up from: https://github.com/dart-lang/sdk/commit/a2fdeaaa5371748457d3b9acf699687c6e8606e7#r41273696

Change-Id: Ife82a2ae2ff2f5707995ae405d9c6e5daa8c45c0
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/157862
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Phil Quitslund <pquitslund@google.com>

https://dart.googlesource.com/sdk/+/594434d5a0b530cfac750ca681ad059fd90d76fc
diff --git a/commits.json b/commits.json
index 4ddebf7..23efb7a 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"e50219fdc5cc7ac2e754052e00226a6436e26b66",
   "external/github.com/flutter/flutter":"58ec73fad449984192299d366067817ed0b0577d",
-  "sdk":"b0d007a931f5d5bd5e04a413899a0aad8bcf4223"
+  "sdk":"594434d5a0b530cfac750ca681ad059fd90d76fc"
 }
\ No newline at end of file