Send a VN delete UVE when a VN is deleted

Change-Id: I5b0a286cca4f7a81269d9cb419607be6701d219c
Closes-Bug: 1355933
(cherry picked from commit 90fc9e1905e4ca43e676400ba9f9b762aace6bed)
Merge "Send a VN delete UVE when a VN is deleted" into R1.10