More readable log in microdroid_manager am: 476ecd445d

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2727855

Change-Id: I6de705172af87dcc8f4b33c614ec5ef491f8c689
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>