e3edfadbd Roll Dart SDK from 442614a6c1bb to 6340d946feac (1 revision) (flutter/engine#38489) (#117604)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/393e156c230a8e37dc722b88a603b439db1ff567
diff --git a/DEPS b/DEPS
index af401e9..325e653 100644
--- a/DEPS
+++ b/DEPS
@@ -243,7 +243,7 @@
 
   'engine/src/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'f1ce203361f0d60aaace52c35cd8dd3236643874',
 
-  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '102d03936ea4ac9ae5797476cb491b090fb630d1',
+  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '393e156c230a8e37dc722b88a603b439db1ff567',
 
    # Fuchsia compatibility
    #
diff --git a/commits.json b/commits.json
index 67d224a..8182296 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"e3edfadbda1a77a38abc1b0267aa5f58831775cd",
   "engine/src/third_party/dart":"f1ce203361f0d60aaace52c35cd8dd3236643874",
-  "flutter":"102d03936ea4ac9ae5797476cb491b090fb630d1"
+  "flutter":"393e156c230a8e37dc722b88a603b439db1ff567"
 }
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