[avb] Add shortcut Result wrapping AvbIOError
The new Result will be reused in other modules like
`descriptor` added soon in aosp/2392892.
Bug: 256148034
Test: m pvmfw_img && atest libpvmfw_avb.integration_test
Change-Id: Iabd85927958da730ea411bf6ae5a280b677bc2d2
diff --git a/pvmfw/avb/tests/utils.rs b/pvmfw/avb/tests/utils.rs
index aa40bb8..5e8629a 100644
--- a/pvmfw/avb/tests/utils.rs
+++ b/pvmfw/avb/tests/utils.rs
@@ -14,7 +14,7 @@
* limitations under the License.
*/
-//! Utility methods used by API tests.
+//! Utility functions used by API tests.
use anyhow::Result;
use avb_bindgen::{