Remove ableist language

Change-Id: Ie9ef50a14906c9350adbe16720291dca944ad7fc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/418738
Commit-Queue: Kevin Lubick <kjlubick@google.com>
Reviewed-by: John Stiles <johnstiles@google.com>
Reviewed-by: Jorge Betancourt <jmbetancourt@google.com>
49 files changed