Add utilities from dyld-1042.1

[asdfugil]

These tools are used to operate on dyld-related files Included tools:

• dyld_info: displays information used by dyld in programs and dylibs
• dyld_usage: report dyld activity in real time
• dyld_shared_cache_util: get information on or extract dyld3 shared caches
• dyld_closure_util: create or view dyld3 closures

All Submissions

• [x] Have you made sure there aren't any other open Pull Requests for the same update/change?
• [ ] This Pull Request doesn't contain any package additions; it's a small change (e.g README change)

Package Additions/Updates

• [x] Have you confirmed this builds & works as intended on an iOS device (if applicable)?

[asdfugil]

ktrace/session.h is updated, if it already exists in build base, it must be deleted for this to build.