std.Target: Update default Android API level to 24
API level 24 completes _FILE_OFFSET_BITS=64 support in bionic, c.f.
https://android.googlesource.com/platform/bionic/+/HEAD/docs/status.md.
According to https://apilevels.com, API level 24 (Android 7 released in 2017)
has 97% cumulative usage.
d7e944a628孙冰 committed on 3/26/2025, 11:48:21 AMparentadee3ee