Update execv, execvp, and execve to use SpeculativeTraceClose to handle trace closing and opening.
Update execv, execvp, and execve to use SpeculativeTraceClose to handle trace closing and opening.

mheinsen/seec,seec-team/seec,mheinsen/seec,seec-team/seec,mheinsen/seec,mheinsen/seec,seec-team/seec,mheinsen/seec,seec-team/seec,seec-team/seec