privilege access to analyzer src in completions from `package:linter`

Change-Id: Ia021f032f5d409535f7aa54704f1bfef55304a2d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/365983
Reviewed-by: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
Commit-Queue: Phil Quitslund <pquitslund@google.com>

https://dart.googlesource.com/sdk/+/9b4d7d0422d1b70fd8c7496706b1779186327553

DEPS

diff --git a/DEPS b/DEPS
index f6e57d4..c15a546 100644
--- a/DEPS
+++ b/DEPS
@@ -282,7 +282,7 @@
 
   'engine/src/flutter': Var('flutter_git') + '/mirrors/engine' + '@' + '254927ec7c2ab76177b9fec78284a06c83c45961',
 
-  'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'a9905e98cf596f1ed64b43d2d26d102eb3a234b1',
+  'engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + '9b4d7d0422d1b70fd8c7496706b1779186327553',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '9c881ce4c5845b0d9cc7dead6db26a7a88513723',
 

commits.json

diff --git a/commits.json b/commits.json
index c60ffa1..b62b044 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"254927ec7c2ab76177b9fec78284a06c83c45961",
-  "engine/src/flutter/third_party/dart":"a9905e98cf596f1ed64b43d2d26d102eb3a234b1",
+  "engine/src/flutter/third_party/dart":"9b4d7d0422d1b70fd8c7496706b1779186327553",
   "flutter":"9c881ce4c5845b0d9cc7dead6db26a7a88513723"
 }
\ No newline at end of file