[analyzer] Update Name.forSetter to only add trailing = if not already there

Change-Id: Id6d98a9a2902539635d2cb5acd23d3ddd4832d5d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/391442
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>

https://dart.googlesource.com/sdk/+/ef04f5d8800323b72235a8d7a4426ca5f3f3acad

DEPS

diff --git a/DEPS b/DEPS
index 4036a17..1f6c332 100644
--- a/DEPS
+++ b/DEPS
@@ -281,7 +281,7 @@
 
   'engine/src/flutter': Var('flutter_git') + '/mirrors/engine' + '@' + '50f6d98cb8bee4f727f9a00e8ff3adf8466221e4',
 
-  'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'c3ce683cca524069c6237a4e60c281ac519513a8',
+  'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'ef04f5d8800323b72235a8d7a4426ca5f3f3acad',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'b2026572db51fd73aa7de8f696f6ab6cfedd80f9',
 

commits.json

diff --git a/commits.json b/commits.json
index 20d8839..a63a9d1 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"50f6d98cb8bee4f727f9a00e8ff3adf8466221e4",
-  "engine/src/flutter/third_party/dart":"c3ce683cca524069c6237a4e60c281ac519513a8",
+  "engine/src/flutter/third_party/dart":"ef04f5d8800323b72235a8d7a4426ca5f3f3acad",
   "flutter":"b2026572db51fd73aa7de8f696f6ab6cfedd80f9"
 }
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