Merge "Notify VS when users or apps are removed" into main am: 1ebdbeafc3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2976892

Change-Id: I327166657dbf88bda2d35840cc91aed1cb93ffea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>