LU-5242 tests: except sanity test_132 for ZFS

Sanity test_132() is failing regularly on ZFS, but SOM is not a
feature we support.  Disable this test until the problem can be
resolved.  The SOM functionality itself will continue to be tested
with ldiskfs, and should not be OSD-specific.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Change-Id: I8fa38d993be0ab5afd9f293d9878cb862fc50c46
Reviewed-on: http://review.whamcloud.com/13093
Tested-by: Jenkins
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>