Undo the accidental config.h changes in the pcre 10.40 update. am: 9d36739ecc am: e2c505e627

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/pcre/+/17942982

Change-Id: Iefcf0cef6fbcbe7663468f0b9abab851d7ba8bba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>