Merge "Remove <ctype.h> cruft." into main am: 389a40a0a8

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2455758

Change-Id: I9a07f1dccb516c448522b39168551251bd65faca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>