strace: Add mutex type

Added a dedicated mutex type handler that can print mutex status
flags while still showing the mutex address.

Change-Id: Ie028e5c0a336063a4c03a4f9adf955ffa6911837
Reviewed-on: https://review.haiku-os.org/c/haiku/+/6557
Reviewed-by: waddlesplash <waddlesplash@gmail.com>