Add toast message per lifecycle event am: 54aa7a57fa

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/3247836

Change-Id: Ic5ca95a59668e6f604c39b39b46021bfeb7476e4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>