Merge "[authfs][refactoring] Use crate hex to decode hex string" into main am: 31c401c930

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2855606

Change-Id: I44fbf57c212d5748295a28d6e1c0ed7336cec30b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>