Merge "Reland "Treat Microdroid as OS with monolithic sepolicy"" am: 448b70a268

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2627370

Change-Id: I7c795df5084cbd34fd66757222a0a54941609dc9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>