Merge "<ctype.h>: stop using `_ctype_`." into main am: e253761e14 am: 01de1a47fa

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2779335

Change-Id: Ia5f94cc1b42a178e4cedcffce130726652bc3b45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>