Update proto output

Change-Id: Ib9e6c43005bb566e4e81e248377498b0b6d86f52
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/421888
Commit-Queue: Mayank Patke <[email protected]>
Auto-Submit: Kevin Moore <[email protected]>
Reviewed-by: Mayank Patke <[email protected]>

Author: kevmoo

pkg/dart2js_info/analysis_options.yaml

@@ -4,6 +4,7 @@ analyzer:
   errors:
     # Until the protobuf package generates the right code - or the right ignores
     constant_identifier_names: ignore
+    unintended_html_in_doc_comment: ignore
 
 linter:
   rules: