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

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

Change-Id: I99943226277d1f4e4d17d1ad6dd0927c9f237337
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>