dtest: add new -Q option to get provider list and query and time each

dtest: add new -Q option to get provider list and query and time each

3 modes for -Q added to dtest:

-Q 1 == open/query/close, normal method
-Q 2 == open_query/close_query mode, new extensions
-Q 3 == both modes

Individual query and total times are reported. With
the new -Q option, dtest will query and exit without
connection or data transfer tests

If query extensions are not supported open_query will
simply return DAT_NOT_IMPLEMENTED.

Signed-off-by: Arlin Davis <arlin.r.davis@intel.com>