- Update Phorge's ~2009 copy of xhprof_lib.php to latest upstream version cf21149 from 2021-06-14 (first included in release v2.3.3, unchanged in latest release v2.3.10) located at https://github.com/longxinH/xhprof/commits/master/xhprof_lib/utils/xhprof_lib.php
- Function signatures have not changed
- Continue to include Phorge's custom change to comment the call to init_metrics()
Closes T15950