xfstests generic 307: check ctime updates for setfacl

Check if ctime is updated and written to disk after setfacl

Regression test for the following extN commits
c6ac12a ext4: update ctime when changing the file's permission by setfacl
30e2bab ext3: update ctime when changing the file's permission by setfacl
523825b ext2: update ctime when changing the file's permission by setfacl

Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Rich Johnston <rjohnston@sgi.com>
[rjohnston@sgi.com renumbered test to next in group sequence]
Signed-off-by: Rich Johnston <rjohnston@sgi.com>