Upgrade fmtlib to 7.1.3 am: f44020815a am: a3306f2cbe am: 0c193dbaab

Original change: https://android-review.googlesource.com/c/platform/external/fmtlib/+/1511169

Change-Id: I97a46311dc86e1cdd2aea3af84be9f8be94ce03a