[dart2wasm] Fix typos, formatting in flutter_hhh_builds doc

Change-Id: I68a3f28c78c6241f471c985e1fa836019b1a7dc9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/360881
Commit-Queue: Ömer Ağacan <omersa@google.com>
Reviewed-by: Kevin Moore <kevmoo@google.com>

https://dart.googlesource.com/sdk/+/3db0bdf54d637bc132ec3a3b76fae18cc1743a7b

DEPS

diff --git a/DEPS b/DEPS
index 2778dc3..adfa28f 100644
--- a/DEPS
+++ b/DEPS
@@ -293,7 +293,7 @@
 
   'engine/src/flutter': Var('flutter_git') + '/mirrors/engine' + '@' + '1a9e48ab1c9a6403d014d53f708eb7478502a3cf',
 
-  'engine/src/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'beecfbcdacdb1e4dfb57e8db3978656b6c44efd8',
+  'engine/src/third_party/dart': Var('dart_git') + '/sdk' + '@' + '3db0bdf54d637bc132ec3a3b76fae18cc1743a7b',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '99874c1c57fe5a023c47fa1fefba80bf188d2de9',
 

commits.json

diff --git a/commits.json b/commits.json
index 34a4d5e..3c7ffad 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"1a9e48ab1c9a6403d014d53f708eb7478502a3cf",
-  "engine/src/third_party/dart":"beecfbcdacdb1e4dfb57e8db3978656b6c44efd8",
+  "engine/src/third_party/dart":"3db0bdf54d637bc132ec3a3b76fae18cc1743a7b",
   "flutter":"99874c1c57fe5a023c47fa1fefba80bf188d2de9"
 }
\ No newline at end of file