Make `rustfmt.toml` a real symlink am: af94d9bafd

Original change: https://android-review.googlesource.com/c/platform/system/logging/+/2062293

Change-Id: I501f3cf183d15fc3d9e193a2acc44dfc3bf63abe
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
tree: dd3fdaef2822237c286c4abfb2e2b6152402b057
  1. liblog/
  2. logcat/
  3. logd/
  4. logwrapper/
  5. rust/
  6. OWNERS
  7. PREUPLOAD.cfg
  8. TEST_MAPPING