Add init process for test guest VMs am: b63560008b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/1462463

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I459a8d1639876d540b7dd817360efe4e001ca2e2
tree: 56d49666d2b938b64c4eb5acb1c5ebadff50fe80
  1. apex/
  2. authfs/
  3. docs/
  4. tests/
  5. .clang-format
  6. PREUPLOAD.cfg