Merge "Upgrade fmtlib to '7.0.1'" am: 3f9c7e3871 am: 94bfcd4dbb am: 61708eeb46

Original change: https://android-review.googlesource.com/c/platform/external/fmtlib/+/1360982

Change-Id: I3b9e0dc55165a571a4ca71fedd743f8937ed9104