Make the owner info scroll horizontally again

Following the lint recommendation to update 'singleLine="true"' to
'maxLines="1"' introduced a truncation bug in the keyguard.
The owner info line was truncated after a certain amount of
characters/words. Reverting the attribute solves that problem.

FPIIM-785

Change-Id: I380004eac9481a3599b39f183cb2b0494b15a8cb
1 file changed