[automerger skipped] [DO NOT MERGE] Reject non-ASCII hostnames and SANs. am: c247f14ad5 am: 2954a29740 -s ours am: 41f1e3cee3 -s ours

am skip reason: Change-Id I7ccd2c6d4255d29112e9a6d58640316c364bf67a with SHA-1 650e71cc3a is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/libcore/+/13163676

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic6bc8a5d9e4e8ea1657abade6d3cb020403da5df