Merge "Introduce microdroid variants of init_first_stage and...

Merge "Introduce microdroid variants of init_first_stage and init_second_stage" am: 2032b2f6 am: 269cb456 am: 5fed873b

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2633310



Change-Id: I08dcd816bb5aea38f413a8f6fe46e513179d0d31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>