Merge "Switch to microdroid variants of first and second stage init" am: c4067853c9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2633130

Change-Id: Ie3f7350560278fb2c5d09690f91088cb60d049a0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>