Added PAPIf_thread_id to complement PAPIf_thread_init; Renamed PAPIf_set_domain1 to PAPIf_set_event_domain, Hopefully, this is more descriptive of its function.
Added PAPIf_thread_id to complement PAPIf_thread_init;
Renamed PAPIf_set_domain1 to PAPIf_set_event_domain,
Hopefully, this is more descriptive of its function.

arm-hpc/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi