[automerger skipped] [DO NOT MERGE] Reject non-ASCII hostnames and SANs. am: 73bf5b6f1d -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/libcore/+/13140220

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I305dacb57ac62a2a0cb297ff9280cc466558d3c8