Merge "Add note about why `rustfmt.toml` is not a symlink" am: 2e8178ad

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2059950



Change-Id: I1fa7a2f0eea98e75f6d412307c88e7a082b97e01
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>