Convert to lower fs path for createObb().

Since /storage/emulated/userId isn't accessible for users != userId,
and vold should anyway try to avoid accessing the FUSE filesystem itself.

Bug: 172078780
Test: atest StorageManagerTest --user-type secondary_user
Change-Id: I98222bf844a6b7d8ec0d9873eddc71f61aa68c90
Merged-In: I98222bf844a6b7d8ec0d9873eddc71f61aa68c90
1 file changed