[automerger skipped] DO NOT MERGE fmtlib_ndk: set min_sdk_version to 29 am: 14a10066bf -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/fmtlib/+/12977939

Change-Id: Id5e1d71e17d3a2d837c53c1300a9a346bc29275d