Dispatch macOS 11.0 Beta 6 to Beta 7 API Differences

workgroup_interval.h

Added OS_os_workgroup_interval

Added -[OS_os_workgroup_interval init]

Added OS_os_workgroup_interval

Added os_workgroup_interval_t

Added os_workgroup_interval_data_s

Added os_workgroup_interval_data_t

Added #def OS_WORKGROUP_INTERVAL_DATA_INITIALIZER

Added os_workgroup_interval_start()

Added os_workgroup_interval_update()

Added os_workgroup_interval_finish()

workgroup_object.h

Added -[OS_os_workgroup init]

Added OS_os_workgroup

Added os_workgroup_t

Added os_workgroup_attr_s

Added os_workgroup_attr_t

Added #def OS_WORKGROUP_ATTR_INITIALIZER_DEFAULT

Added os_workgroup_copy_port()

Added os_workgroup_create_with_port()

Added os_workgroup_create_with_workgroup()

Added os_workgroup_join_token_s

Added os_workgroup_join_token_t

Added os_workgroup_join()

Added os_workgroup_leave()

Added os_workgroup_index

Added os_workgroup_working_arena_destructor_t

Added os_workgroup_set_working_arena()

Added os_workgroup_get_working_arena()

Added os_workgroup_cancel()

Added os_workgroup_testcancel()

Added os_workgroup_mpt_attr_s

Added os_workgroup_mpt_attr_t

Added os_workgroup_max_parallel_threads()