vold: Enable legacy support for wrapped key

Legacy wrapped key support was dropped while merging changes
to support multiple versions of dm-default key driver in kernel.
Fix this by calling legacy API to check wrapped key support for
metadata encryption.

CRs-Fixed: 2678344
Change-Id: I7d9efec09ddf7169cf0b1114b4e16b9fe38cad4b
Signed-off-by: Neeraj Soni <neersoni@codeaurora.org>
1 file changed