analyzer: add CHANGELOG entry regarding doNotSubmit and mustBeConst

Change-Id: I368481b88135cd0f9440cfbe10d1b990a7610d13
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/364205
Reviewed-by: Phil Quitslund <pquitslund@google.com>
Commit-Queue: Samuel Rawlins <srawlins@google.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7053892..a1244a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -70,9 +70,19 @@
 #### Analyzer
 
 - Improved code completion. Fixed over 50% of completion correctness bugs,
-  tagged `analyzer-completion-correctness` in the [issue tracker][analyzer-completion-correction-issues].
+  tagged `analyzer-completion-correctness` in the [issue
+  tracker][analyzer-completion-correction-issues].
+- Support for new annotations introduced in version 1.14.0 of the [meta]
+  package.
+  - Support for the [`@doNotSubmit`] annotation, noting that any usage of an
+    annotated member should not be submitted to source control.
+  - Support for the [`@mustBeConst`] annotation, which indicates that an
+    annotated parameter only accepts constant arguments.
 
 [analyzer-completion-correction-issues]: https://github.com/dart-lang/sdk/labels/analyzer-completion-correctness
+[meta]: https://pub.dev/packages/meta
+[`@doNotSubmit`]: https://pub.dev/documentation/meta/latest/meta/doNotSubmit-constant.html
+[`@mustBeConst`]: https://pub.dev/documentation/meta/latest/meta/mustBeConst-constant.html
 
 #### Compilers
 
diff --git a/pkg/meta/CHANGELOG.md b/pkg/meta/CHANGELOG.md
index cb95e3c..53b3c33 100644
--- a/pkg/meta/CHANGELOG.md
+++ b/pkg/meta/CHANGELOG.md
@@ -8,8 +8,8 @@
   any enum value declaration.
 - Introduce `TargetKind.typeParameter`, to indicate that an annotation is valid
   on any type parameter declaration.
-- Introduce `@doNotSubmit` to annotate members that should not be submitted to
-  source control, typically because they are intended to be used ephemerally
+- Introduce `@doNotSubmit` to annotate members that should not be accessed in
+  checked-in code, typically because they are intended to be used ephemerally
   during development.
 
   One example is `package:test`'s `solo: ...` parameter, which skips all other