Merge "Use libhex" into main am: e88e69dabc am: 60e8f52d2e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2786546

Change-Id: I0f330ffbb9ea437e26c6300fc28ae7ef9fbdd395
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>