add crosvm to com.android.virt am: 8626dd4746 am: 0bb0681c82 am: 5a901d1a88

Original change: https://android-review.googlesource.com/c/platform/external/libcap/+/1527720

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I68c837f8e793dbfc3cab6ed9a2454f964bf8a133