Enable rust formatting preupload hooks

The rustfmt configuration is linked to the default from
build/soong/scripts.

Bug: 157146658
Test: tried uploading badly and correctly formatted rust
Change-Id: Ie104cca1c9f309e4b46acdfabd8c2e17c35180ad
2 files changed
tree: a03e975355cb30c33b96e8b68c1e35f975998a21
  1. PREUPLOAD.cfg