Merge "Use libhex" into main am: e88e69dabc am: 60e8f52d2e am: 502ad1e8e4 am: 59b785f2a6

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

Change-Id: Ib03cc39cd2612e14c68d8dfa8944b3307d9802a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>