This lint rule is a core lint rule; we have suppressed it only for
pre-existing code reasons.
There are a few individual files which simply have a consistent pattern
of including underscores in some names, so I add inline ignores there.
Change-Id: I89e6010203868fc10fda12b15353de41881d9b15
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/416900
Commit-Queue: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>