AOSP: blkid: Correct the label name for exfat

Volume label name is 16 bit unicode string according to spec.
Currently blkid labels the device without converting it to
utf-8 chars due to which incorrect label is displayed.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Bug: 74184636
Test: manual
Change-Id: Ib16204c75c2cdf675d480e9c66f484bb3c51108e
From AOSP commit: 25715073b170970469126426196c9e5084613c37
1 file changed