microdroid: Add device-mapper capabilities to ueventd. am: 2e22a8880c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/23598702

Change-Id: Icf5bc4a1dcae89bd7f910444cd7414a3389b2033
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>