LU-8998 test: Test 'lfs find' composite file options

LU-8998 test: Test 'lfs find' composite file options

The Progressive File Layout feature expanded the options
to find files using the 'lfs find' utility. Files can be
searched for with the component start, end, count and flags
options.

These 'lfs find' options need to be exercised.

Test-Parameters: trivial
Signed-off-by: James Nunez <james.a.nunez@intel.com>
Change-Id: I36a6e774fa77b4089642ff5f2f8d482b3196aa62
Reviewed-on: https://review.whamcloud.com/26926
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Steve Guminski <stephenx.guminski@intel.com>