Roll Dart SDK from 3a8c551ec08e to 87b37682b24f (1 revision) (#26269)

diff --git a/DEPS b/DEPS
index 0aa7a22..5a9d584 100644
--- a/DEPS
+++ b/DEPS
@@ -35,7 +35,7 @@
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '3a8c551ec08e821101cc9f6a368608f664339956',
+  'dart_revision': '87b37682b24f9edf11848f9cbadfd4a8b3a9ae03',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py