monitor wrapper should cd into its base dir on every run of python script

Authored by ArielGlenn on Wed, Sep 13, 10:56 AM.

Description

monitor wrapper should cd into its base dir on every run of python script

This is only useful if the wrapper is called with an explicit basedir
argument.

Bug: T175817
Change-Id: I90e8131b5495ef1a08af09e81be892b3253f7c1f