Roll src/third_party/dart f4986cc78ddd884e60e7274c44f31dbcd990b912..927b0cb9edda5500fed0acbd60c04487d3e526e6 (73 commits)927b0cb9ed [vm/aot] Support optimization of modulo against a power-of-two.

bf13ac85c4 Ensure LSP server clears diagnostics for removed files/analysis roots
54fffe4cca Add support for LSP workspace/didChangeWorkspaceFolders
e7b783ba5d Fix bug with deprecated rootPath + add tests
ad300b904d Improve handling of server-specific analysis diagnostics pages
1d096d8499 Enable the analyzer Diagnostics server for LSP
6bb1dcdfa4 Fix wording
e749576caa [VM/Compiler/AOT] Do not populate unused arguments descriptor in bare instructions mode
a1250467fe Move member conflict detection to own method

Author: bkonyi

DEPS

@@ -31,7 +31,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': 'f4986cc78ddd884e60e7274c44f31dbcd990b912',
+  'dart_revision': '927b0cb9edda5500fed0acbd60c04487d3e526e6',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: be59c80b519075b45fcd4716be07f4c4
+Signature: efcc29e1bc9961d6a3bff41431e055b8
 
 UNUSED LICENSES: