MFC r317782,318181:

MFC r317782 (mm):
Sync libarchive with vendor

Vendor changes (FreeBSD-related):
PR 897: add test for ZIP archives with invalid EOCD headers
PR 901: fix invalid renaming of sparse files
OSS-Fuzz issue 497: remove fallback tree in LZX decoder
OSS-Fuzz issue 527: rewrite expressions in lz4 filter
OSS-Fuzz issue 577: fix integer overflow in cpio reader
OSS-Fuzz issue 862: fix numerc parsing in mtree reader
OSS-Fuzz issue 1097: fix undefined shift in rar reader
cpio: various optimizations and memory leak fixes

MFC r318181 (ngie) (2):
cpio/tests/test_option_lz4: fix a use after free in the failure case

Reported by: Coverity (2)
Sponsored by: Dell EMC Isilon (2)

MFC r299529,r299540,r299576,r299896:

r299529,r299540:
Update libarchive to 3.2.0

New features:
- new bsdcat command-line utility
- LZ4 compression (in src only via external utility from ports)
- Warc format support
- 'Raw' format writer
- Zip: Support archives >4GB, entries >4GB
- Zip: Support encrypting and decrypting entries
- Zip: Support experimental streaming extension
- Identify encrypted entries in several formats
- New --clear-nochange-flags option to bsdtar tries to remove noschg and
similar flags before deleting files
- New --ignore-zeros option to bsdtar to handle concatenated tar archives
- Use multi-threaded LZMA decompression if liblzma supports it
- Expose version info for libraries used by libarchive

r299576,r299896:
Fix broken cpio behavior.

Relnotes: yes