cherry-pick: docs: Added note that <application> at end of manifest.

After cherry picking, removed trailing whitespace at end of lines.

Bug: 28823898
Change-Id: I30d69f1877d772893965e1512455f3addb397c80
Original-Change-Id: I9d4e67c30a0e95e78a596c933c9b9d4804eb4d6a
1 file changed