Track type of container mounted

OBB and ASEC are tracked in the same active container list, but when it
comes time to unmount everything, it was trying to unmount the OBBs
according to ASEC rules. This led to the OBB not being unmounted and the
volume unmount failing.

Change-Id: I12c1d4d387b8022185d552b63edd61a50b9c0fc3
2 files changed