Merge "rust: document manual configuration for rustfmt"

package config

var (

	// When adding a new path below, add a rustfmt.toml file at the root of

	// the repository and enable the rustfmt repo hook. See aosp/1347562

	// for an example.

	// TODO(b/160223496): enable rustfmt globally.

	RustAllowedPaths = []string{

		"external/minijail",

		"external/rust",