[analysis_server] Add support for survey prompts

Change-Id: I0447de090311694712fce005806c6ac296ca2eac
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/322406
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

https://dart.googlesource.com/sdk/+/b5ed2bb7c063ad1c2c499b129912879bd0d6a2da
diff --git a/DEPS b/DEPS
index 427156b..bb3d2d1 100644
--- a/DEPS
+++ b/DEPS
@@ -262,7 +262,7 @@
 
   'engine/src/flutter': Var('flutter_git') + '/mirrors/engine' + '@' + 'd7725ae9e885d87b07e2799d08ad3b007cd77bc9',
 
-  'engine/src/third_party/dart': Var('dart_git') + '/sdk' + '@' + '772dbf7fb5e6787195b029e053a2217dabc59e43',
+  'engine/src/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'b5ed2bb7c063ad1c2c499b129912879bd0d6a2da',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '9632f821f47f4fc752ed66d2a50265af811096f3',
 
diff --git a/commits.json b/commits.json
index 36c0a89..39c950b 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"d7725ae9e885d87b07e2799d08ad3b007cd77bc9",
-  "engine/src/third_party/dart":"772dbf7fb5e6787195b029e053a2217dabc59e43",
+  "engine/src/third_party/dart":"b5ed2bb7c063ad1c2c499b129912879bd0d6a2da",
   "flutter":"9632f821f47f4fc752ed66d2a50265af811096f3"
 }
\ No newline at end of file