i#1349 drltrace features: add -all_args for type-blind arg printing
i#1349 drltrace features: add -all_args for type-blind arg printing

Adds a new option -all_args which does type-blind printing of N args for
each library call.  It is set to 2 by default.  Once we have debug info
support we'll switch it off by default and use debug info if it's
available.

Review-URL: https://codereview.appspot.com/232630043

AmesianX/dynamorio,code4bones/dynamorio,bl4ckic3/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,daksunt/dynamorio,code4bones/dynamorio,daksunt/dynamorio,code4bones/dynamorio,daksunt/dynamorio,AmesianX/dynamorio,code4bones/dynamorio,bl4ckic3/dynamorio,bl4ckic3/dynamorio,code4bones/dynamorio,bl4ckic3/dynamorio,daksunt/dynamorio,daksunt/dynamorio,AmesianX/dynamorio,bl4ckic3/dynamorio