When we delete the shared instance, in addition to erasing the data in the share, we should disconnect the client's mount point to prevent the data from being written in. Closes-Bug: #1886010 Change-Id: I7a334fb895669cc807a288e6aefe62154a89a7e4 (cherry picked from commitchanges/83/750183/39d44ba0b6a
) (cherry picked from commit4f2e400a6b
) (cherry picked from commitd9e6743ba5
) (cherry picked from commit4e75f14c76
)