This reverts commit eb0b17902876f1a75eb7180c0b9f3571efb312b8.
Skia Gold post-submit test were failing due to the service account not being found on Cirrus.
Revert "Merge branch 'master' into master"
This reverts commit e3a03c04c4530b06e77383fd73d2c43644dc832a, reversing
changes made to 64749826498123e795c77f9bec8cea804a40a051.
* Exclude flutter_goldens package from dartdoc because it's for internal
use only
* Document why flutter_tools doesn' tneed to be excluded from the list of
packages to document
* Performance optimization in the flutter comparator, and associated
test updates.
In order to avoid checking binaries into flutter/flutter,
this comparator can be used to retrieve golden files from
a sibling flutter/goldens repository.
https://github.com/flutter/flutter/issues/16859