Mark the old time conversion APIs deprecated, leave compatibility
macros in place, and replace all usage with the new API.
Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
just to keep same class of tests under the same umbrella, otherwise
those tests do not belong in the top level tests/ directory.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>